231011123130002 has 8 divisors (see below), whose sum is σ = 346516846392396. Its totient is φ = 115505507665872.

The previous prime is 231011123129999. The next prime is 231011123130043. The reversal of 231011123130002 is 200031321110132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201938850249361 + 29072272880641 = 14210519^2 + 5391871^2 .

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

It is a super-2 number, since 2×231011123130002² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21360233 + ... + 30303164.

Almost surely, 2^{231011123130002} is an apocalyptic number.

231011123130002 is a deficient number, since it is larger than the sum of its proper divisors (115505723262394).

231011123130002 is a wasteful number, since it uses less digits than its factorization.

231011123130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53899132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231011123130002 its reverse (200031321110132), we get a palindrome (431042444240134).

The spelling of 231011123130002 in words is "two hundred thirty-one trillion, eleven billion, one hundred twenty-three million, one hundred thirty thousand, two".