31231121112332 has 24 divisors (see below), whose sum is σ = 55138595608656. Its totient is φ = 15477238988288.

The previous prime is 31231121112283. The next prime is 31231121112361. The reversal of 31231121112332 is 23321112113213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74364728 + ... + 74783520.

It is an arithmetic number, because the mean of its divisors is an integer number (2297441483694).

Almost surely, 2^{31231121112332} is an apocalyptic number.

It is an amenable number.

31231121112332 is a deficient number, since it is larger than the sum of its proper divisors (23907474496324).

31231121112332 is a wasteful number, since it uses less digits than its factorization.

31231121112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583897 (or 583895 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 31231121112332 its reverse (23321112113213), we get a palindrome (54552233225545).

The spelling of 31231121112332 in words is "thirty-one trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred twelve thousand, three hundred thirty-two".