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10032031431 = 321114670159
BaseRepresentation
bin10010101011111010…
…01010011011000111
3221220011000222222200
421111331022123013
5131021200001211
64335245125543
7503413601022
oct112575123307
927804028880
1010032031431
114288902774
121b3b8598b3
13c3b523c96
146b25001b9
153daad8b56
hex255f4a6c7

10032031431 has 6 divisors (see below), whose sum is σ = 14490712080. Its totient is φ = 6688020948.

The previous prime is 10032031409. The next prime is 10032031501. The reversal of 10032031431 is 13413023001.

10032031431 is a `hidden beast` number, since 1 + 0 + 0 + 320 + 314 + 31 = 666.

It is not a de Polignac number, because 10032031431 - 29 = 10032030919 is a prime.

It is a super-2 number, since 2×100320314312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033031431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557335071 + ... + 557335088.

It is an arithmetic number, because the mean of its divisors is an integer number (2415118680).

Almost surely, 210032031431 is an apocalyptic number.

10032031431 is a deficient number, since it is larger than the sum of its proper divisors (4458680649).

10032031431 is a wasteful number, since it uses less digits than its factorization.

10032031431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114670165 (or 1114670162 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10032031431 its reverse (13413023001), we get a palindrome (23445054432).

The spelling of 10032031431 in words is "ten billion, thirty-two million, thirty-one thousand, four hundred thirty-one".

Divisors: 1 3 9 1114670159 3344010477 10032031431