31311120003011 has 16 divisors (see below), whose sum is σ = 33306829274400. Its totient is φ = 29350928855808.

The previous prime is 31311120003001. The next prime is 31311120003047. The reversal of 31311120003011 is 11030002111313.

It is a cyclic number.

It is not a de Polignac number, because 31311120003011 - 2⁴² = 26913073491907 is a prime.

It is a super-2 number, since 2×31311120003011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31311120003001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8794946 + ... + 11831031.

It is an arithmetic number, because the mean of its divisors is an integer number (2081676829650).

Almost surely, 2^{31311120003011} is an apocalyptic number.

31311120003011 is a deficient number, since it is larger than the sum of its proper divisors (1995709271389).

31311120003011 is a wasteful number, since it uses less digits than its factorization.

31311120003011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20626838.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31311120003011 its reverse (11030002111313), we get a palindrome (42341122114324).

The spelling of 31311120003011 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty million, three thousand, eleven".