231332031101 has 16 divisors (see below), whose sum is σ = 238002498048. Its totient is φ = 224711625600.

The previous prime is 231332031089. The next prime is 231332031113. The reversal of 231332031101 is 101130233132.

It is an interprime number because it is at equal distance from previous prime (231332031089) and next prime (231332031113).

It is a cyclic number.

It is not a de Polignac number, because 231332031101 - 2⁶ = 231332031037 is a prime.

It is a super-2 number, since 2×231332031101² (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 (231332031001) 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, 19805075 + ... + 19816751.

It is an arithmetic number, because the mean of its divisors is an integer number (14875156128).

Almost surely, 2^231332031101 is an apocalyptic number.

It is an amenable number.

231332031101 is a deficient number, since it is larger than the sum of its proper divisors (6670466947).

231332031101 is a wasteful number, since it uses less digits than its factorization.

231332031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231332031101 its reverse (101130233132), we get a palindrome (332462264233).

The spelling of 231332031101 in words is "two hundred thirty-one billion, three hundred thirty-two million, thirty-one thousand, one hundred one".