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1031020203100 = 225210310202031
BaseRepresentation
bin11110000000011011001…
…01111100110001011100
310122120020120102000102011
433000031211330301130
5113343012132444400
62105351045041004
7134326433061646
oct17001545746134
93576216360364
101031020203100
11368287031688
1214799a6b6164
13762bcb227c4
1437c8a17b896
151bc44c128ba
hexf00d97cc5c

1031020203100 has 18 divisors (see below), whose sum is σ = 2237313840944. Its totient is φ = 412408081200.

The previous prime is 1031020203053. The next prime is 1031020203133. The reversal of 1031020203100 is 13020201301.

1031020203100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10310202031002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5155100916 + ... + 5155101115.

Almost surely, 21031020203100 is an apocalyptic number.

1031020203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031020203100 is an abundant number, since it is smaller than the sum of its proper divisors (1206293637844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031020203100 is a wasteful number, since it uses less digits than its factorization.

1031020203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310202045 (or 10310202038 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1031020203100 its reverse (13020201301), we get a palindrome (1044040404401).

The spelling of 1031020203100 in words is "one trillion, thirty-one billion, twenty million, two hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10310202031 20620404062 41240808124 51551010155 103102020310 206204040620 257755050775 515510101550 1031020203100