231232102101 has 96 divisors (see below), whose sum is σ = 460571075328. Its totient is φ = 107883601920.

The previous prime is 231232102063. The next prime is 231232102133. The reversal of 231232102101 is 101201232132.

231232102101 is a `hidden beast` number, since 231 + 232 + 102 + 101 = 666.

It is not a de Polignac number, because 231232102101 - 2¹¹ = 231232100053 is a prime.

It is a super-2 number, since 2×231232102101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231232100101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13516 + ... + 680181.

It is an arithmetic number, because the mean of its divisors is an integer number (4797615368).

Almost surely, 2^231232102101 is an apocalyptic number.

231232102101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231232102101 is a deficient number, since it is larger than the sum of its proper divisors (229338973227).

231232102101 is a wasteful number, since it uses less digits than its factorization.

231232102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693771 (or 693768 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231232102101 its reverse (101201232132), we get a palindrome (332433334233).

It can be divided in two parts, 231232 and 102101, that added together give a palindrome (333333).

The spelling of 231232102101 in words is "two hundred thirty-one billion, two hundred thirty-two million, one hundred two thousand, one hundred one".