231533323335132 has 192 divisors, whose sum is σ = 689648187777024. Its totient is φ = 58825110297600.

The previous prime is 231533323335109. The next prime is 231533323335137.

231533323335132 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×231533323335132² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231533323335137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24287788 + ... + 32449395.

It is an arithmetic number, because the mean of its divisors is an integer number (3591917644672).

Almost surely, 2^{231533323335132} is an apocalyptic number.

It is an amenable number.

231533323335132 is an abundant number, since it is smaller than the sum of its proper divisors (458114864441892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231533323335132 is a wasteful number, since it uses less digits than its factorization.

231533323335132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56737348 (or 56737346 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 42.

The spelling of 231533323335132 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, three hundred twenty-three million, three hundred thirty-five thousand, one hundred thirty-two".