31013213120011 has 8 divisors (see below), whose sum is σ = 31093276921200. Its totient is φ = 30933151054560.

The previous prime is 31013213119979. The next prime is 31013213120047. The reversal of 31013213120011 is 11002131231013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31013213120011 - 2⁵ = 31013213119979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013213120411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40265505 + ... + 41028493.

It is an arithmetic number, because the mean of its divisors is an integer number (3886659615150).

Almost surely, 2^{31013213120011} is an apocalyptic number.

31013213120011 is a deficient number, since it is larger than the sum of its proper divisors (80063801189).

31013213120011 is a wasteful number, since it uses less digits than its factorization.

31013213120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867869.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31013213120011 its reverse (11002131231013), we get a palindrome (42015344351024).

The spelling of 31013213120011 in words is "thirty-one trillion, thirteen billion, two hundred thirteen million, one hundred twenty thousand, eleven".