232011121031 has 4 divisors (see below), whose sum is σ = 232033042200. Its totient is φ = 231989199864.

The previous prime is 232011120977. The next prime is 232011121063. The reversal of 232011121031 is 130121110232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232011121031 - 2⁶ = 232011120967 is a prime.

It is a super-2 number, since 2×232011121031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232011121091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10944701 + ... + 10965878.

It is an arithmetic number, because the mean of its divisors is an integer number (58008260550).

Almost surely, 2^232011121031 is an apocalyptic number.

232011121031 is a deficient number, since it is larger than the sum of its proper divisors (21921169).

232011121031 is a wasteful number, since it uses less digits than its factorization.

232011121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21921168.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 232011121031 its reverse (130121110232), we get a palindrome (362132231263).

The spelling of 232011121031 in words is "two hundred thirty-two billion, eleven million, one hundred twenty-one thousand, thirty-one".