231320220013130 has 32 divisors (see below), whose sum is σ = 425237371464960. Its totient is φ = 90558999974080.

The previous prime is 231320220013097. The next prime is 231320220013189. The reversal of 231320220013130 is 31310022023132.

It is a junction number, because it is equal to n+sod(n) for n = 231320220013096 and 231320220013105.

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, 117625061 + ... + 119575479.

It is an arithmetic number, because the mean of its divisors is an integer number (13288667858280).

Almost surely, 2^{231320220013130} is an apocalyptic number.

231320220013130 is a deficient number, since it is larger than the sum of its proper divisors (193917151451830).

231320220013130 is a wasteful number, since it uses less digits than its factorization.

231320220013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202814.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 231320220013130 its reverse (31310022023132), we get a palindrome (262630242036262).

The spelling of 231320220013130 in words is "two hundred thirty-one trillion, three hundred twenty billion, two hundred twenty million, thirteen thousand, one hundred thirty".