31321111300113 has 8 divisors (see below), whose sum is σ = 43577198330688. Its totient is φ = 19972882568144.

The previous prime is 31321111300103. The next prime is 31321111300123. The reversal of 31321111300113 is 31100311112313.

It is an interprime number because it is at equal distance from previous prime (31321111300103) and next prime (31321111300123).

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 31321111300113 - 2⁸ = 31321111299857 is a prime.

It is a super-2 number, since 2×31321111300113² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31321111300113.

It is not an unprimeable number, because it can be changed into a prime (31321111300103) 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, 226964574570 + ... + 226964574707.

It is an arithmetic number, because the mean of its divisors is an integer number (5447149791336).

Almost surely, 2^{31321111300113} is an apocalyptic number.

It is an amenable number.

31321111300113 is a deficient number, since it is larger than the sum of its proper divisors (12256087030575).

31321111300113 is a wasteful number, since it uses less digits than its factorization.

31321111300113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453929149303.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 31321111300113 its reverse (31100311112313), we get a palindrome (62421422412426).

The spelling of 31321111300113 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred eleven million, three hundred thousand, one hundred thirteen".