31001111110013 has 4 divisors (see below), whose sum is σ = 33819393938208. Its totient is φ = 28182828281820.

The previous prime is 31001111110003. The next prime is 31001111110027.

31001111110013 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31001111110013 - 2⁶ = 31001111109949 is a prime.

It is a super-2 number, since 2×31001111110013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31001111110013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001111110003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409141414081 + ... + 1409141414102.

It is an arithmetic number, because the mean of its divisors is an integer number (8454848484552).

Almost surely, 2^{31001111110013} is an apocalyptic number.

It is an amenable number.

31001111110013 is a deficient number, since it is larger than the sum of its proper divisors (2818282828195).

31001111110013 is a wasteful number, since it uses less digits than its factorization.

31001111110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818282828194.

The product of its (nonzero) digits is 9, while the sum is 14.

It can be divided in two parts, 3100111 and 1110013, that added together give a palindrome (4210124).

The spelling of 31001111110013 in words is "thirty-one trillion, one billion, one hundred eleven million, one hundred ten thousand, thirteen".