31340404232 has 16 divisors (see below), whose sum is σ = 59345073900. Its totient is φ = 15515051200.

The previous prime is 31340404229. The next prime is 31340404267. The reversal of 31340404232 is 23240404313.

It can be written as a sum of positive squares in 2 ways, for example, as 19313772676 + 12026631556 = 138974^2 + 109666^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19393007 + ... + 19394622.

Almost surely, 2^31340404232 is an apocalyptic number.

It is an amenable number.

31340404232 is a deficient number, since it is larger than the sum of its proper divisors (28004669668).

31340404232 is a wasteful number, since it uses less digits than its factorization.

31340404232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38787736 (or 38787732 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31340404232 its reverse (23240404313), we get a palindrome (54580808545).

The spelling of 31340404232 in words is "thirty-one billion, three hundred forty million, four hundred four thousand, two hundred thirty-two".