31313214032442 has 16 divisors (see below), whose sum is σ = 62626568956320. Its totient is φ = 10437714528912.

The previous prime is 31313214032371. The next prime is 31313214032449. The reversal of 31313214032442 is 24423041231313.

It is not an unprimeable number, because it can be changed into a prime (31313214032449) 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, 2862673 + ... + 8415540.

It is an arithmetic number, because the mean of its divisors is an integer number (3914160559770).

Almost surely, 2^{31313214032442} is an apocalyptic number.

31313214032442 is an abundant number, since it is smaller than the sum of its proper divisors (31313354923878).

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

31313214032442 is a wasteful number, since it uses less digits than its factorization.

31313214032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11740957.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31313214032442 its reverse (24423041231313), we get a palindrome (55736255263755).

The spelling of 31313214032442 in words is "thirty-one trillion, three hundred thirteen billion, two hundred fourteen million, thirty-two thousand, four hundred forty-two".