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31042421022415 = 5116734153201937
BaseRepresentation
bin1110000111011101000000…
…11110100101111011001111
311001220121220200202101212111
413003232200132211323033
513032044334240204130
6150004405155244451
76352512063030355
oct703564036457317
9131817820671774
1031042421022415
119989020435a60
12359428bba9727
13144239822688a
147946657337d5
1538c74085202a
hex1c3ba07a5ecf

31042421022415 has 32 divisors (see below), whose sum is σ = 40707734734656. Its totient is φ = 22537220751360.

The previous prime is 31042421022377. The next prime is 31042421022469. The reversal of 31042421022415 is 51422012424013.

It is not a de Polignac number, because 31042421022415 - 213 = 31042421014223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153622327 + ... + 153824263.

It is an arithmetic number, because the mean of its divisors is an integer number (1272116710458).

Almost surely, 231042421022415 is an apocalyptic number.

31042421022415 is a deficient number, since it is larger than the sum of its proper divisors (9665313712241).

31042421022415 is a wasteful number, since it uses less digits than its factorization.

31042421022415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206779.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 31042421022415 its reverse (51422012424013), we get a palindrome (82464433446428).

The spelling of 31042421022415 in words is "thirty-one trillion, forty-two billion, four hundred twenty-one million, twenty-two thousand, four hundred fifteen".

Divisors: 1 5 11 55 673 3365 4153 7403 20765 37015 45683 201937 228415 1009685 2221307 2794969 11106535 13974845 30744659 135903601 153723295 679518005 838644361 1494939611 4193221805 7474698055 9225087971 46125439855 564407654953 2822038274765 6208484204483 31042421022415