31322120023112 has 8 divisors (see below), whose sum is σ = 58728975043350. Its totient is φ = 15661060011552.

The previous prime is 31322120023091. The next prime is 31322120023121. The reversal of 31322120023112 is 21132002122313.

It can be written as a sum of positive squares in only one way, i.e., 30572118990436 + 750001032676 = 5529206^2 + 866026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957632501437 + ... + 1957632501452.

Almost surely, 2^{31322120023112} is an apocalyptic number.

It is an amenable number.

31322120023112 is a deficient number, since it is larger than the sum of its proper divisors (27406855020238).

31322120023112 is a wasteful number, since it uses less digits than its factorization.

31322120023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915265002895 (or 3915265002891 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31322120023112 its reverse (21132002122313), we get a palindrome (52454122145425).

The spelling of 31322120023112 in words is "thirty-one trillion, three hundred twenty-two billion, one hundred twenty million, twenty-three thousand, one hundred twelve".