31204330013133 has 24 divisors (see below), whose sum is σ = 47151083536128. Its totient is φ = 19848291341472.

The previous prime is 31204330013111. The next prime is 31204330013201. The reversal of 31204330013133 is 33131003340213.

31204330013133 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 43 + 300 + 1 + 313 + 3 = 666.

It is not a de Polignac number, because 31204330013133 - 2²² = 31204325818829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31204330013097 and 31204330013106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204330011133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189773685 + ... + 189938042.

It is an arithmetic number, because the mean of its divisors is an integer number (1964628480672).

Almost surely, 2^{31204330013133} is an apocalyptic number.

It is an amenable number.

31204330013133 is a deficient number, since it is larger than the sum of its proper divisors (15946753522995).

31204330013133 is a wasteful number, since it uses less digits than its factorization.

31204330013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379712153 (or 379712150 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31204330013133 its reverse (33131003340213), we get a palindrome (64335333353346).

The spelling of 31204330013133 in words is "thirty-one trillion, two hundred four billion, three hundred thirty million, thirteen thousand, one hundred thirty-three".