1031104321 has 12 divisors (see below), whose sum is σ = 1126422828. Its totient is φ = 943348224.

The previous prime is 1031104313. The next prime is 1031104337. The reversal of 1031104321 is 1234011301.

It can be written as a sum of positive squares in 6 ways, for example, as 141871921 + 889232400 = 11911^2 + 29820^2 .

It is not a de Polignac number, because 1031104321 - 2³ = 1031104313 is a prime.

It is a super-2 number, since 2×1031104321² = 2126352241569742082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031104295 and 1031104304.

It is not an unprimeable number, because it can be changed into a prime (1031104351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7900 + ... + 46093.

It is an arithmetic number, because the mean of its divisors is an integer number (93868569).

Almost surely, 2^1031104321 is an apocalyptic number.

It is an amenable number.

1031104321 is a deficient number, since it is larger than the sum of its proper divisors (95318507).

1031104321 is a wasteful number, since it uses less digits than its factorization.

1031104321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54132 (or 54119 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1031104321 is about 32110.8131475987. The cubic root of 1031104321 is about 1010.2624292744.

Adding to 1031104321 its reverse (1234011301), we get a palindrome (2265115622).

The spelling of 1031104321 in words is "one billion, thirty-one million, one hundred four thousand, three hundred twenty-one".