120131023220231 has 16 divisors (see below), whose sum is σ = 130834387615680. Its totient is φ = 109990108250880.

The previous prime is 120131023220171. The next prime is 120131023220239. The reversal of 120131023220231 is 132022320131021.

It is a cyclic number.

It is not a de Polignac number, because 120131023220231 - 2¹⁴ = 120131023203847 is a prime.

It is a super-2 number, since 2×120131023220231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120131023220197 and 120131023220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131023220239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201765016 + ... + 1201864973.

It is an arithmetic number, because the mean of its divisors is an integer number (8177149225980).

Almost surely, 2^{120131023220231} is an apocalyptic number.

120131023220231 is a deficient number, since it is larger than the sum of its proper divisors (10703364395449).

120131023220231 is a wasteful number, since it uses less digits than its factorization.

120131023220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403630106.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 120131023220231 its reverse (132022320131021), we get a palindrome (252153343351252).

The spelling of 120131023220231 in words is "one hundred twenty trillion, one hundred thirty-one billion, twenty-three million, two hundred twenty thousand, two hundred thirty-one".