231121312102130 has 32 divisors (see below), whose sum is σ = 418000093056000. Its totient is φ = 92008586539072.

The previous prime is 231121312102127. The next prime is 231121312102147. The reversal of 231121312102130 is 31201213121132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231121312102096 and 231121312102105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23758730 + ... + 32042469.

It is an arithmetic number, because the mean of its divisors is an integer number (13062502908000).

Almost surely, 2^{231121312102130} is an apocalyptic number.

231121312102130 is a deficient number, since it is larger than the sum of its proper divisors (186878780953870).

231121312102130 is a wasteful number, since it uses less digits than its factorization.

231121312102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55803178.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 231121312102130 its reverse (31201213121132), we get a palindrome (262322525223262).

The spelling of 231121312102130 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, three hundred twelve million, one hundred two thousand, one hundred thirty".