133055431231401 has 12 divisors (see below), whose sum is σ = 219647061080512. Its totient is φ = 76031674989336.

The previous prime is 133055431231391. The next prime is 133055431231403. The reversal of 133055431231401 is 104132134550331.

133055431231401 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 554 + 31 + 2 + 31 + 40 + 1 = 666.

It is not a de Polignac number, because 133055431231401 - 2⁷ = 133055431231273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133055431231403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1055995485901 + ... + 1055995486026.

Almost surely, 2^{133055431231401} is an apocalyptic number.

It is an amenable number.

133055431231401 is a deficient number, since it is larger than the sum of its proper divisors (86591629849111).

133055431231401 is a wasteful number, since it uses less digits than its factorization.

133055431231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111990971940 (or 2111990971937 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 133055431231401 its reverse (104132134550331), we get a palindrome (237187565781732).

The spelling of 133055431231401 in words is "one hundred thirty-three trillion, fifty-five billion, four hundred thirty-one million, two hundred thirty-one thousand, four hundred one".