120113205231 has 16 divisors (see below), whose sum is σ = 160405023744. Its totient is φ = 79948514784.

The previous prime is 120113205167. The next prime is 120113205239. The reversal of 120113205231 is 132502311021.

It is not a de Polignac number, because 120113205231 - 2⁶ = 120113205167 is a prime.

It is a super-2 number, since 2×120113205231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120113205198 and 120113205207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120113205239) 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, 6582186 + ... + 6600408.

It is an arithmetic number, because the mean of its divisors is an integer number (10025313984).

Almost surely, 2^120113205231 is an apocalyptic number.

120113205231 is a deficient number, since it is larger than the sum of its proper divisors (40291818513).

120113205231 is a wasteful number, since it uses less digits than its factorization.

120113205231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21590.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 120113205231 its reverse (132502311021), we get a palindrome (252615516252).

The spelling of 120113205231 in words is "one hundred twenty billion, one hundred thirteen million, two hundred five thousand, two hundred thirty-one".