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31013112301313 = 229967354139551
BaseRepresentation
bin1110000110100110011011…
…00010101100011100000001
311001210211021010020002212112
413003103031202230130001
513031104323222120223
6145543121015505105
76350423556021032
oct703231542543401
9131724233202775
1031013112301313
119977650424aaa
12358a670688195
13143c6a713945c
14793085032a89
1538bac7776778
hex1c34cd8ac701

31013112301313 has 16 divisors (see below), whose sum is σ = 31190346485760. Its totient is φ = 30836261736000.

The previous prime is 31013112301289. The next prime is 31013112301333. The reversal of 31013112301313 is 31310321131013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31013112301313 is a prime.

It is a super-2 number, since 2×310131123013132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013112301333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784109888 + ... + 784149438.

It is an arithmetic number, because the mean of its divisors is an integer number (1949396655360).

Almost surely, 231013112301313 is an apocalyptic number.

It is an amenable number.

31013112301313 is a deficient number, since it is larger than the sum of its proper divisors (177234184447).

31013112301313 is a wasteful number, since it uses less digits than its factorization.

31013112301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44288.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31013112301313 its reverse (31310321131013), we get a palindrome (62323433432326).

The spelling of 31013112301313 in words is "thirty-one trillion, thirteen billion, one hundred twelve million, three hundred one thousand, three hundred thirteen".

Divisors: 1 229 967 3541 39551 221443 810889 3424147 9057179 38245817 140050091 784129663 8758292093 32071470839 135428437997 31013112301313