231120413121 has 12 divisors (see below), whose sum is σ = 333688644528. Its totient is φ = 142227946224.

The previous prime is 231120413119. The next prime is 231120413131. The reversal of 231120413121 is 121314021132.

It is not a de Polignac number, because 231120413121 - 2¹ = 231120413119 is a prime.

It is a super-2 number, since 2×231120413121² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231120413131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227928895 + ... + 227929908.

It is an arithmetic number, because the mean of its divisors is an integer number (27807387044).

Almost surely, 2^231120413121 is an apocalyptic number.

It is an amenable number.

231120413121 is a deficient number, since it is larger than the sum of its proper divisors (102568231407).

231120413121 is a wasteful number, since it uses less digits than its factorization.

231120413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455858832 (or 455858819 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231120413121 its reverse (121314021132), we get a palindrome (352434434253).

The spelling of 231120413121 in words is "two hundred thirty-one billion, one hundred twenty million, four hundred thirteen thousand, one hundred twenty-one".