31200012032010 has 16 divisors (see below), whose sum is σ = 74880028876896. Its totient is φ = 8320003208528.

The previous prime is 31200012031973. The next prime is 31200012032029. The reversal of 31200012032010 is 1023021000213.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 520000200504 + ... + 520000200563.

It is an arithmetic number, because the mean of its divisors is an integer number (4680001804806).

Almost surely, 2^{31200012032010} is an apocalyptic number.

31200012032010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31200012032010 is an abundant number, since it is smaller than the sum of its proper divisors (43680016844886).

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

31200012032010 is a wasteful number, since it uses less digits than its factorization.

31200012032010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040000401077.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31200012032010 its reverse (1023021000213), we get a palindrome (32223033032223).

The spelling of 31200012032010 in words is "thirty-one trillion, two hundred billion, twelve million, thirty-two thousand, ten".