133031501532 has 72 divisors (see below), whose sum is σ = 337102438400. Its totient is φ = 44234732448.

The previous prime is 133031501509. The next prime is 133031501557. The reversal of 133031501532 is 235105130331.

133031501532 is a `hidden beast` number, since 1 + 330 + 315 + 0 + 15 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 133031501496 and 133031501505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48925269 + ... + 48927987.

Almost surely, 2^133031501532 is an apocalyptic number.

133031501532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133031501532 is an abundant number, since it is smaller than the sum of its proper divisors (204070936868).

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

133031501532 is a wasteful number, since it uses less digits than its factorization.

133031501532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5570 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

Adding to 133031501532 its reverse (235105130331), we get a palindrome (368136631863).

The spelling of 133031501532 in words is "one hundred thirty-three billion, thirty-one million, five hundred one thousand, five hundred thirty-two".