31320213096 has 32 divisors (see below), whose sum is σ = 78395722560. Its totient is φ = 10427379072.

The previous prime is 31320213091. The next prime is 31320213097. The reversal of 31320213096 is 69031202313.

It is not an unprimeable number, because it can be changed into a prime (31320213091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773085 + ... + 812588.

It is an arithmetic number, because the mean of its divisors is an integer number (2449866330).

Almost surely, 2^31320213096 is an apocalyptic number.

It is an amenable number.

31320213096 is an abundant number, since it is smaller than the sum of its proper divisors (47075509464).

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

31320213096 is a wasteful number, since it uses less digits than its factorization.

31320213096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586505 (or 1586501 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 31320213096 in words is "thirty-one billion, three hundred twenty million, two hundred thirteen thousand, ninety-six".