31200231332130 has 64 divisors (see below), whose sum is σ = 88338350850048. Its totient is φ = 6901433657280.

The previous prime is 31200231332047. The next prime is 31200231332159. The reversal of 31200231332130 is 3123313200213.

It is a self number, because there is not a number n which added to its sum of digits gives 31200231332130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2396324622 + ... + 2396337641.

It is an arithmetic number, because the mean of its divisors is an integer number (1380286732032).

Almost surely, 2^{31200231332130} is an apocalyptic number.

31200231332130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31200231332130 is an abundant number, since it is smaller than the sum of its proper divisors (57138119517918).

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

31200231332130 is a wasteful number, since it uses less digits than its factorization.

31200231332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792662311.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31200231332130 its reverse (3123313200213), we get a palindrome (34323544532343).

The spelling of 31200231332130 in words is "thirty-one trillion, two hundred billion, two hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty".