231121131014 has 16 divisors (see below), whose sum is σ = 347113668816. Its totient is φ = 115416621600.

The previous prime is 231121131013. The next prime is 231121131029. The reversal of 231121131014 is 410131121132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231121131013) 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, 17573189 + ... + 17586335.

It is an arithmetic number, because the mean of its divisors is an integer number (21694604301).

Almost surely, 2^231121131014 is an apocalyptic number.

231121131014 is a deficient number, since it is larger than the sum of its proper divisors (115992537802).

231121131014 is a wasteful number, since it uses less digits than its factorization.

231121131014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23431.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 231121131014 its reverse (410131121132), we get a palindrome (641252252146).

The spelling of 231121131014 in words is "two hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-one thousand, fourteen".