31343140232 has 32 divisors (see below), whose sum is σ = 59055043800. Its totient is φ = 15595200000.

The previous prime is 31343140223. The next prime is 31343140243. The reversal of 31343140232 is 23204134313.

It can be written as a sum of positive squares in 4 ways, for example, as 31147308196 + 195832036 = 176486^2 + 13994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5494982 + ... + 5500682.

Almost surely, 2^31343140232 is an apocalyptic number.

It is an amenable number.

31343140232 is a deficient number, since it is larger than the sum of its proper divisors (27711903568).

31343140232 is a wasteful number, since it uses less digits than its factorization.

31343140232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937 (or 8933 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31343140232 its reverse (23204134313), we get a palindrome (54547274545).

The spelling of 31343140232 in words is "thirty-one billion, three hundred forty-three million, one hundred forty thousand, two hundred thirty-two".