31142204300 has 18 divisors (see below), whose sum is σ = 67578583548. Its totient is φ = 12456881680.

The previous prime is 31142204299. The next prime is 31142204329. The reversal of 31142204300 is 340224113.

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 5 ways as a sum of consecutive naturals, for example, 155710922 + ... + 155711121.

Almost surely, 2^31142204300 is an apocalyptic number.

It is an amenable number.

31142204300 is an abundant number, since it is smaller than the sum of its proper divisors (36436379248).

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

31142204300 is a wasteful number, since it uses less digits than its factorization.

31142204300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311422057 (or 311422050 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31142204300 its reverse (340224113), we get a palindrome (31482428413).

The spelling of 31142204300 in words is "thirty-one billion, one hundred forty-two million, two hundred four thousand, three hundred".