31311012103023 has 8 divisors (see below), whose sum is σ = 41748291578368. Its totient is φ = 20873870348184.

The previous prime is 31311012102991. The next prime is 31311012103043. The reversal of 31311012103023 is 32030121011313.

It is a happy number.

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

It is not a de Polignac number, because 31311012103023 - 2⁵ = 31311012102991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311012103043) 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, 33898465 + ... + 34809882.

It is an arithmetic number, because the mean of its divisors is an integer number (5218536447296).

Almost surely, 2^{31311012103023} is an apocalyptic number.

31311012103023 is a deficient number, since it is larger than the sum of its proper divisors (10437279475345).

31311012103023 is a wasteful number, since it uses less digits than its factorization.

31311012103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68860253.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31311012103023 its reverse (32030121011313), we get a palindrome (63341133114336).

The spelling of 31311012103023 in words is "thirty-one trillion, three hundred eleven billion, twelve million, one hundred three thousand, twenty-three".