31123766732113 has 16 divisors (see below), whose sum is σ = 34815206541312. Its totient is φ = 27584204256000.

The previous prime is 31123766732111. The next prime is 31123766732143.

31123766732113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31123766732113 - 2¹ = 31123766732111 is a prime.

It is a super-2 number, since 2×31123766732113² (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 (31123766732111) 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, 205163793 + ... + 205315438.

It is an arithmetic number, because the mean of its divisors is an integer number (2175950408832).

Almost surely, 2^{31123766732113} is an apocalyptic number.

It is an amenable number.

31123766732113 is a deficient number, since it is larger than the sum of its proper divisors (3691439809199).

31123766732113 is a wasteful number, since it uses less digits than its factorization.

31123766732113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410479416.

The product of its digits is 571536, while the sum is 46.

It can be divided in two parts, 3112376 and 6732113, that added together give a palindrome (9844489).

The spelling of 31123766732113 in words is "thirty-one trillion, one hundred twenty-three billion, seven hundred sixty-six million, seven hundred thirty-two thousand, one hundred thirteen".