31232000030 has 32 divisors (see below), whose sum is σ = 70089477120. Its totient is φ = 9734649120.

The previous prime is 31232000021. The next prime is 31232000083. The reversal of 31232000030 is 3000023213.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 31231999969 and 31232000014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20279750 + ... + 20281289.

It is an arithmetic number, because the mean of its divisors is an integer number (2190296160).

Almost surely, 2^31232000030 is an apocalyptic number.

31232000030 is an abundant number, since it is smaller than the sum of its proper divisors (38857477090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31232000030 is a wasteful number, since it uses less digits than its factorization.

31232000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40561064.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 31232000030 its reverse (3000023213), we get a palindrome (34232023243).

The spelling of 31232000030 in words is "thirty-one billion, two hundred thirty-two million, thirty", and thus it is an aban number.