31013230332121 has 8 divisors (see below), whose sum is σ = 31019560740000. Its totient is φ = 31006900233600.

The previous prime is 31013230332113. The next prime is 31013230332137. The reversal of 31013230332121 is 12123303231013.

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 31013230332121 - 2³ = 31013230332113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013230332221) 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, 375744585 + ... + 375827113.

It is an arithmetic number, because the mean of its divisors is an integer number (3877445092500).

Almost surely, 2^{31013230332121} is an apocalyptic number.

It is an amenable number.

31013230332121 is a deficient number, since it is larger than the sum of its proper divisors (6330407879).

31013230332121 is an equidigital number, since it uses as much as digits as its factorization.

31013230332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154679.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31013230332121 its reverse (12123303231013), we get a palindrome (43136533563134).

The spelling of 31013230332121 in words is "thirty-one trillion, thirteen billion, two hundred thirty million, three hundred thirty-two thousand, one hundred twenty-one".