231533335132 has 48 divisors (see below), whose sum is σ = 457393194720. Its totient is φ = 101583820800.

The previous prime is 231533335127. The next prime is 231533335139.

231533335132 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231533335139) 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, 4692832 + ... + 4741912.

It is an arithmetic number, because the mean of its divisors is an integer number (9529024890).

Almost surely, 2^231533335132 is an apocalyptic number.

231533335132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231533335132 is a deficient number, since it is larger than the sum of its proper divisors (225859859588).

231533335132 is a wasteful number, since it uses less digits than its factorization.

231533335132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52822 (or 52820 counting only the distinct ones).

The product of its digits is 72900, while the sum is 34.

It can be divided in two parts, 231533 and 335132, that added together give a palindrome (566665).

The spelling of 231533335132 in words is "two hundred thirty-one billion, five hundred thirty-three million, three hundred thirty-five thousand, one hundred thirty-two".