31011242244244 has 12 divisors (see below), whose sum is σ = 56141041994100. Its totient is φ = 14970944531648.

The previous prime is 31011242244223. The next prime is 31011242244253. The reversal of 31011242244244 is 44244224211013.

It can be written as a sum of positive squares in 2 ways, for example, as 20633579456400 + 10377662787844 = 4542420^2 + 3221438^2 .

It is a super-2 number, since 2×31011242244244² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 133669147489 + ... + 133669147720.

It is an arithmetic number, because the mean of its divisors is an integer number (4678420166175).

Almost surely, 2^{31011242244244} is an apocalyptic number.

It is an amenable number.

31011242244244 is a deficient number, since it is larger than the sum of its proper divisors (25129799749856).

31011242244244 is a wasteful number, since it uses less digits than its factorization.

31011242244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267338295242 (or 267338295240 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 31011242244244 its reverse (44244224211013), we get a palindrome (75255466455257).

The spelling of 31011242244244 in words is "thirty-one trillion, eleven billion, two hundred forty-two million, two hundred forty-four thousand, two hundred forty-four".