231313120303110 has 128 divisors (see below), whose sum is σ = 581104269656064. Its totient is φ = 58869950670720.

The previous prime is 231313120303087. The next prime is 231313120303127. The reversal of 231313120303110 is 11303021313132.

It is a super-2 number, since 2×231313120303110² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33659775 + ... + 39945045.

It is an arithmetic number, because the mean of its divisors is an integer number (4539877106688).

Almost surely, 2^{231313120303110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231313120303110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290552134828032).

231313120303110 is an abundant number, since it is smaller than the sum of its proper divisors (349791149352954).

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

231313120303110 is a wasteful number, since it uses less digits than its factorization.

231313120303110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285978.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 231313120303110 its reverse (11303021313132), we get a palindrome (242616141616242).

The spelling of 231313120303110 in words is "two hundred thirty-one trillion, three hundred thirteen billion, one hundred twenty million, three hundred three thousand, one hundred ten".