31102231312232 has 16 divisors (see below), whose sum is σ = 58832760559140. Its totient is φ = 15413495163136.

The previous prime is 31102231312223. The next prime is 31102231312241. The reversal of 31102231312232 is 23221313220113.

It is an interprime number because it is at equal distance from previous prime (31102231312223) and next prime (31102231312241).

It can be written as a sum of positive squares in 2 ways, for example, as 28580849363236 + 2521381948996 = 5346106^2 + 1587886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202560663 + ... + 17202562470.

Almost surely, 2^{31102231312232} is an apocalyptic number.

It is an amenable number.

31102231312232 is a deficient number, since it is larger than the sum of its proper divisors (27730529246908).

31102231312232 is a wasteful number, since it uses less digits than its factorization.

31102231312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34405123252 (or 34405123248 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31102231312232 its reverse (23221313220113), we get a palindrome (54323544532345).

The spelling of 31102231312232 in words is "thirty-one trillion, one hundred two billion, two hundred thirty-one million, three hundred twelve thousand, two hundred thirty-two".