31313140122011 has 8 divisors (see below), whose sum is σ = 34954202927424. Its totient is φ = 27804479600520.

The previous prime is 31313140122001. The next prime is 31313140122067. The reversal of 31313140122011 is 11022104131313.

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 31313140122011 - 2¹⁸ = 31313139859867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31313140122001) 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, 33100570481 + ... + 33100571426.

It is an arithmetic number, because the mean of its divisors is an integer number (4369275365928).

Almost surely, 2^{31313140122011} is an apocalyptic number.

31313140122011 is a deficient number, since it is larger than the sum of its proper divisors (3641062805413).

31313140122011 is a wasteful number, since it uses less digits than its factorization.

31313140122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66201141961.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 31313140122011 its reverse (11022104131313), we get a palindrome (42335244253324).

The spelling of 31313140122011 in words is "thirty-one trillion, three hundred thirteen billion, one hundred forty million, one hundred twenty-two thousand, eleven".