231232100102133 has 32 divisors (see below), whose sum is σ = 343536556272000. Its totient is φ = 137365167534336.

The previous prime is 231232100102089. The next prime is 231232100102137. The reversal of 231232100102133 is 331201001232132.

It is not a de Polignac number, because 231232100102133 - 2²⁴ = 231232083324917 is a prime.

It is a super-2 number, since 2×231232100102133² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231232100102137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12110683 + ... + 24680616.

It is an arithmetic number, because the mean of its divisors is an integer number (10735517383500).

Almost surely, 2^{231232100102133} is an apocalyptic number.

It is an amenable number.

231232100102133 is a deficient number, since it is larger than the sum of its proper divisors (112304456169867).

231232100102133 is a wasteful number, since it uses less digits than its factorization.

231232100102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36796901.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231232100102133 its reverse (331201001232132), we get a palindrome (562433101334265).

The spelling of 231232100102133 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, one hundred million, one hundred two thousand, one hundred thirty-three".