31300022214 has 32 divisors (see below), whose sum is σ = 69630588000. Its totient is φ = 10422093312.

The previous prime is 31300022207. The next prime is 31300022269. The reversal of 31300022214 is 41222000313.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 261799 + ... + 362130.

It is an arithmetic number, because the mean of its divisors is an integer number (2175955875).

Almost surely, 2^31300022214 is an apocalyptic number.

31300022214 is an abundant number, since it is smaller than the sum of its proper divisors (38330565786).

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

31300022214 is a wasteful number, since it uses less digits than its factorization.

31300022214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624869 (or 624863 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31300022214 its reverse (41222000313), we get a palindrome (72522022527).

The spelling of 31300022214 in words is "thirty-one billion, three hundred million, twenty-two thousand, two hundred fourteen".