111313131122031 has 8 divisors (see below), whose sum is σ = 148458815582640. Its totient is φ = 74188100371392.

The previous prime is 111313131122023. The next prime is 111313131122047. The reversal of 111313131122031 is 130221131313111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111313131122031 - 2³ = 111313131122023 is a prime.

It is a super-2 number, since 2×111313131122031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111313131121992 and 111313131122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313131120031) 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, 5163414916 + ... + 5163436473.

It is an arithmetic number, because the mean of its divisors is an integer number (18557351947830).

Almost surely, 2^{111313131122031} is an apocalyptic number.

111313131122031 is a deficient number, since it is larger than the sum of its proper divisors (37145684460609).

111313131122031 is a wasteful number, since it uses less digits than its factorization.

111313131122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326854985.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 111313131122031 its reverse (130221131313111), we get a palindrome (241534262435142).

The spelling of 111313131122031 in words is "one hundred eleven trillion, three hundred thirteen billion, one hundred thirty-one million, one hundred twenty-two thousand, thirty-one".