31013101321011 has 6 divisors (see below), whose sum is σ = 44796701908140. Its totient is φ = 20675400880668.

The previous prime is 31013101320997. The next prime is 31013101321141. The reversal of 31013101321011 is 11012310131013.

31013101321011 is a `hidden beast` number, since 31 + 0 + 1 + 310 + 1 + 321 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 31013101321011 - 2¹¹ = 31013101318963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31013101321511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1722950073381 + ... + 1722950073398.

It is an arithmetic number, because the mean of its divisors is an integer number (7466116984690).

Almost surely, 2^{31013101321011} is an apocalyptic number.

31013101321011 is a deficient number, since it is larger than the sum of its proper divisors (13783600587129).

31013101321011 is a wasteful number, since it uses less digits than its factorization.

31013101321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445900146785 (or 3445900146782 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 31013101321011 its reverse (11012310131013), we get a palindrome (42025411452024).

The spelling of 31013101321011 in words is "thirty-one trillion, thirteen billion, one hundred one million, three hundred twenty-one thousand, eleven".