31322532342 has 16 divisors (see below), whose sum is σ = 62647146432. Its totient is φ = 10440497160.

The previous prime is 31322532331. The next prime is 31322532343. The reversal of 31322532342 is 24323522313.

It is a happy number.

It is a super-2 number, since 2×31322532342² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322532343) 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, 165117 + ... + 299847.

It is an arithmetic number, because the mean of its divisors is an integer number (3915446652).

Almost surely, 2^31322532342 is an apocalyptic number.

31322532342 is an abundant number, since it is smaller than the sum of its proper divisors (31324614090).

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

31322532342 is a wasteful number, since it uses less digits than its factorization.

31322532342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173483.

The product of its digits is 25920, while the sum is 30.

The spelling of 31322532342 in words is "thirty-one billion, three hundred twenty-two million, five hundred thirty-two thousand, three hundred forty-two".