31363742108 has 24 divisors (see below), whose sum is σ = 55089167952. Its totient is φ = 15624048384.

The previous prime is 31363742101. The next prime is 31363742131. The reversal of 31363742108 is 80124736313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31363742101) 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, 2045366 + ... + 2060642.

It is an arithmetic number, because the mean of its divisors is an integer number (2295381998).

Almost surely, 2^31363742108 is an apocalyptic number.

It is an amenable number.

31363742108 is a deficient number, since it is larger than the sum of its proper divisors (23725425844).

31363742108 is a wasteful number, since it uses less digits than its factorization.

31363742108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17141 (or 17139 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 31363742108 in words is "thirty-one billion, three hundred sixty-three million, seven hundred forty-two thousand, one hundred eight".