31132101121011 has 48 divisors (see below), whose sum is σ = 51308312620032. Its totient is φ = 18005720515200.

The previous prime is 31132101120977. The next prime is 31132101121063. The reversal of 31132101121011 is 11012110123113.

31132101121011 is a `hidden beast` number, since 311 + 32 + 101 + 1 + 210 + 11 = 666.

It is not a de Polignac number, because 31132101121011 - 2¹⁸ = 31132100858867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31132101121081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14879890 + ... + 16842663.

It is an arithmetic number, because the mean of its divisors is an integer number (1068923179584).

Almost surely, 2^{31132101121011} is an apocalyptic number.

31132101121011 is a deficient number, since it is larger than the sum of its proper divisors (20176211499021).

31132101121011 is a wasteful number, since it uses less digits than its factorization.

31132101121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31723024 (or 31723021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 31132101121011 its reverse (11012110123113), we get a palindrome (42144211244124).

The spelling of 31132101121011 in words is "thirty-one trillion, one hundred thirty-two billion, one hundred one million, one hundred twenty-one thousand, eleven".