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31001003102 = 231149840841
BaseRepresentation
bin11100110111110011…
…011100010001011110
32222000111212010111002
4130313303130101132
51001442224044402
622124111030302
72145143115146
oct346763342136
988014763432
1031001003102
1112169292523
12601220b392
132c00893a24
141701377926
15c16957602
hex737cdc45e

31001003102 has 8 divisors (see below), whose sum is σ = 46651028112. Its totient is φ = 15450660400.

The previous prime is 31001003081. The next prime is 31001003141. The reversal of 31001003102 is 20130010013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×310010031022 (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 24919799 + ... + 24921042.

It is an arithmetic number, because the mean of its divisors is an integer number (5831378514).

Almost surely, 231001003102 is an apocalyptic number.

31001003102 is a deficient number, since it is larger than the sum of its proper divisors (15650025010).

31001003102 is a wasteful number, since it uses less digits than its factorization.

31001003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49841154.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31001003102 its reverse (20130010013), we get a palindrome (51131013115).

The spelling of 31001003102 in words is "thirty-one billion, one million, three thousand, one hundred two".

Divisors: 1 2 311 622 49840841 99681682 15500501551 31001003102