231121303012002 has 32 divisors (see below), whose sum is σ = 498671533039680. Its totient is φ = 70989703727040.

The previous prime is 231121303012001. The next prime is 231121303012013. The reversal of 231121303012002 is 200210303121132.

It is a self number, because there is not a number n which added to its sum of digits gives 231121303012002.

It is not an unprimeable number, because it can be changed into a prime (231121303012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2594608377 + ... + 2594697452.

It is an arithmetic number, because the mean of its divisors is an integer number (15583485407490).

Almost surely, 2^{231121303012002} is an apocalyptic number.

231121303012002 is an abundant number, since it is smaller than the sum of its proper divisors (267550230027678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231121303012002 is a wasteful number, since it uses less digits than its factorization.

231121303012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189306418.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231121303012002 its reverse (200210303121132), we get a palindrome (431331606133134).

The spelling of 231121303012002 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, three hundred three million, twelve thousand, two".