31013030110023 has 48 divisors (see below), whose sum is σ = 48885775935360. Its totient is φ = 18831039838272.

The previous prime is 31013030110019. The next prime is 31013030110033. The reversal of 31013030110023 is 32001103031013.

It is a happy number.

31013030110023 is a `hidden beast` number, since 310 + 1 + 30 + 301 + 1 + 0 + 0 + 23 = 666.

It is not a de Polignac number, because 31013030110023 - 2² = 31013030110019 is a prime.

It is a super-2 number, since 2×31013030110023² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31013030109978 and 31013030110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013030110033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5613588 + ... + 9671526.

It is an arithmetic number, because the mean of its divisors is an integer number (1018453665320).

Almost surely, 2^{31013030110023} is an apocalyptic number.

31013030110023 is a deficient number, since it is larger than the sum of its proper divisors (17872745825337).

31013030110023 is a wasteful number, since it uses less digits than its factorization.

31013030110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058828 (or 4058825 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31013030110023 its reverse (32001103031013), we get a palindrome (63014133141036).

The spelling of 31013030110023 in words is "thirty-one trillion, thirteen billion, thirty million, one hundred ten thousand, twenty-three".