32004013431 has 16 divisors (see below), whose sum is σ = 46400646656. Its totient is φ = 19503563616.

The previous prime is 32004013429. The next prime is 32004013471. The reversal of 32004013431 is 13431040023.

It is not a de Polignac number, because 32004013431 - 2¹ = 32004013429 is a prime.

It is a super-2 number, since 2×32004013431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32004013398 and 32004013407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32004013411) 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, 3979555 + ... + 3987588.

It is an arithmetic number, because the mean of its divisors is an integer number (2900040416).

Almost surely, 2^32004013431 is an apocalyptic number.

32004013431 is a deficient number, since it is larger than the sum of its proper divisors (14396633225).

32004013431 is a wasteful number, since it uses less digits than its factorization.

32004013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967262.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32004013431 its reverse (13431040023), we get a palindrome (45435053454).

The spelling of 32004013431 in words is "thirty-two billion, four million, thirteen thousand, four hundred thirty-one".