31031131100296 has 8 divisors (see below), whose sum is σ = 58183370813070. Its totient is φ = 15515565550144.

The previous prime is 31031131100293. The next prime is 31031131100297. The reversal of 31031131100296 is 69200113113013.

It can be written as a sum of positive squares in only one way, i.e., 30187881922500 + 843249177796 = 5494350^2 + 918286^2 .

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

It is a super-2 number, since 2×31031131100296² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31031131100293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939445693761 + ... + 1939445693776.

Almost surely, 2^{31031131100296} is an apocalyptic number.

It is an amenable number.

31031131100296 is a deficient number, since it is larger than the sum of its proper divisors (27152239712774).

31031131100296 is a wasteful number, since it uses less digits than its factorization.

31031131100296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878891387543 (or 3878891387539 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 31031131100296 in words is "thirty-one trillion, thirty-one billion, one hundred thirty-one million, one hundred thousand, two hundred ninety-six".