232013121031 has 2 divisors, whose sum is σ = 232013121032. Its totient is φ = 232013121030.

The previous prime is 232013121029. The next prime is 232013121077. The reversal of 232013121031 is 130121310232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232013121031 - 2¹ = 232013121029 is a prime.

It is a super-2 number, since 2×232013121031² (a number of 24 digits) contains 22 as substring.

Together with 232013121029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232013121091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116006560515 + 116006560516.

It is an arithmetic number, because the mean of its divisors is an integer number (116006560516).

Almost surely, 2^232013121031 is an apocalyptic number.

232013121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

232013121031 is an equidigital number, since it uses as much as digits as its factorization.

232013121031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 232013121031 its reverse (130121310232), we get a palindrome (362134431263).

The spelling of 232013121031 in words is "two hundred thirty-two billion, thirteen million, one hundred twenty-one thousand, thirty-one".