133124202431 has 32 divisors (see below), whose sum is σ = 151985401920. Its totient is φ = 115492608000.

The previous prime is 133124202397. The next prime is 133124202461. The reversal of 133124202431 is 134202421331.

It is not a de Polignac number, because 133124202431 - 2²⁶ = 133057093567 is a prime.

It is a super-2 number, since 2×133124202431² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133124202431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133124202461) 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, 13440581 + ... + 13450481.

It is an arithmetic number, because the mean of its divisors is an integer number (4749543810).

Almost surely, 2^133124202431 is an apocalyptic number.

133124202431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133124202431 is a deficient number, since it is larger than the sum of its proper divisors (18861199489).

133124202431 is a wasteful number, since it uses less digits than its factorization.

133124202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 133124202431 its reverse (134202421331), we get a palindrome (267326623762).

The spelling of 133124202431 in words is "one hundred thirty-three billion, one hundred twenty-four million, two hundred two thousand, four hundred thirty-one".