231123121211130 has 16 divisors (see below), whose sum is σ = 554695490906784. Its totient is φ = 61632832322960.

The previous prime is 231123121211113. The next prime is 231123121211179. The reversal of 231123121211130 is 31112121321132.

It is a super-3 number, since 3×231123121211130³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231123121211130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3852052020156 + ... + 3852052020215.

It is an arithmetic number, because the mean of its divisors is an integer number (34668468181674).

Almost surely, 2^{231123121211130} is an apocalyptic number.

231123121211130 is an abundant number, since it is smaller than the sum of its proper divisors (323572369695654).

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

231123121211130 is a wasteful number, since it uses less digits than its factorization.

231123121211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704104040381.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 231123121211130 its reverse (31112121321132), we get a palindrome (262235242532262).

The spelling of 231123121211130 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred twenty-one million, two hundred eleven thousand, one hundred thirty".