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31010342121231 = 3111575985397051
BaseRepresentation
bin1110000110100001010000…
…11011010010111100001111
311001210120010001122101012020
413003100220123102330033
513031033140040334411
6145541542101141223
76350265120621204
oct703205033227417
9131716101571166
1031010342121231
119976459764780
12358a0189ba813
13143c355250245
14792ca1171cab
1538b9b447c606
hex1c34286d2f0f

31010342121231 has 16 divisors (see below), whose sum is σ = 45393251242368. Its totient is φ = 18674438796000.

The previous prime is 31010342121221. The next prime is 31010342121233. The reversal of 31010342121231 is 13212124301013.

It is not a de Polignac number, because 31010342121231 - 210 = 31010342120207 is a prime.

It is a super-2 number, since 2×310103421212312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010342121233) 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, 2992693345 + ... + 2992703706.

It is an arithmetic number, because the mean of its divisors is an integer number (2837078202648).

Almost surely, 231010342121231 is an apocalyptic number.

31010342121231 is a deficient number, since it is larger than the sum of its proper divisors (14382909121137).

31010342121231 is a wasteful number, since it uses less digits than its factorization.

31010342121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985397222.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31010342121231 its reverse (13212124301013), we get a palindrome (44222466422244).

The spelling of 31010342121231 in words is "thirty-one trillion, ten billion, three hundred forty-two million, one hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 11 33 157 471 1727 5181 5985397051 17956191153 65839367561 197518102683 939707337007 2819122011021 10336780707077 31010342121231