31232331123013 has 8 divisors (see below), whose sum is σ = 32594285726208. Its totient is φ = 29870712116784.

The previous prime is 31232331122989. The next prime is 31232331123073. The reversal of 31232331123013 is 31032113323213.

It is a happy number.

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 31232331123013 - 2⁹ = 31232331122501 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 (31232331123073) 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, 83709045 + ... + 84081322.

It is an arithmetic number, because the mean of its divisors is an integer number (4074285715776).

Almost surely, 2^{31232331123013} is an apocalyptic number.

It is an amenable number.

31232331123013 is a deficient number, since it is larger than the sum of its proper divisors (1361954603195).

31232331123013 is a wasteful number, since it uses less digits than its factorization.

31232331123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167798483.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31232331123013 its reverse (31032113323213), we get a palindrome (62264444446226).

The spelling of 31232331123013 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred thirty-one million, one hundred twenty-three thousand, thirteen".