31204204232 has 32 divisors (see below), whose sum is σ = 60095823480. Its totient is φ = 15180695040.

The previous prime is 31204204193. The next prime is 31204204271. The reversal of 31204204232 is 23240240213.

It is an interprime number because it is at equal distance from previous prime (31204204193) and next prime (31204204271).

It can be written as a sum of positive squares in 4 ways, for example, as 21577847236 + 9626356996 = 146894^2 + 98114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31204204198 and 31204204207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5183 + ... + 249870.

Almost surely, 2^31204204232 is an apocalyptic number.

It is an amenable number.

31204204232 is a deficient number, since it is larger than the sum of its proper divisors (28891619248).

31204204232 is a wasteful number, since it uses less digits than its factorization.

31204204232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255473 (or 255469 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31204204232 its reverse (23240240213), we get a palindrome (54444444445).

The spelling of 31204204232 in words is "thirty-one billion, two hundred four million, two hundred four thousand, two hundred thirty-two".