31322031342 has 64 divisors (see below), whose sum is σ = 72180509184. Its totient is φ = 8875860480.

The previous prime is 31322031337. The next prime is 31322031343. The reversal of 31322031342 is 24313022313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322031343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9901053 + ... + 9904215.

It is an arithmetic number, because the mean of its divisors is an integer number (1127820456).

Almost surely, 2^31322031342 is an apocalyptic number.

31322031342 is an abundant number, since it is smaller than the sum of its proper divisors (40858477842).

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

31322031342 is a wasteful number, since it uses less digits than its factorization.

31322031342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31322031342 its reverse (24313022313), we get a palindrome (55635053655).

The spelling of 31322031342 in words is "thirty-one billion, three hundred twenty-two million, thirty-one thousand, three hundred forty-two".