231201011311302 has 32 divisors (see below), whose sum is σ = 476881192415232. Its totient is φ = 74682033308064.

The previous prime is 231201011311301. The next prime is 231201011311307. The reversal of 231201011311302 is 203113110102132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231201011311301) 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, 3528030033 + ... + 3528095564.

It is an arithmetic number, because the mean of its divisors is an integer number (14902537262976).

Almost surely, 2^{231201011311302} is an apocalyptic number.

231201011311302 is an abundant number, since it is smaller than the sum of its proper divisors (245680181103930).

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

231201011311302 is a wasteful number, since it uses less digits than its factorization.

231201011311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056125772.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 231201011311302 its reverse (203113110102132), we get a palindrome (434314121413434).

The spelling of 231201011311302 in words is "two hundred thirty-one trillion, two hundred one billion, eleven million, three hundred eleven thousand, three hundred two".