31143101012300 has 72 divisors (see below), whose sum is σ = 71714047507200. Its totient is φ = 11713661523520.

The previous prime is 31143101012291. The next prime is 31143101012389. The reversal of 31143101012300 is 321010134113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114614120 + ... + 114885519.

It is an arithmetic number, because the mean of its divisors is an integer number (996028437600).

Almost surely, 2^{31143101012300} is an apocalyptic number.

It is an amenable number.

31143101012300 is an abundant number, since it is smaller than the sum of its proper divisors (40570946494900).

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

31143101012300 is a wasteful number, since it uses less digits than its factorization.

31143101012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229499735 (or 229499728 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31143101012300 its reverse (321010134113), we get a palindrome (31464111146413).

The spelling of 31143101012300 in words is "thirty-one trillion, one hundred forty-three billion, one hundred one million, twelve thousand, three hundred".