31131100032133 has 8 divisors (see below), whose sum is σ = 31456031862080. Its totient is φ = 30806249685120.

The previous prime is 31131100032077. The next prime is 31131100032169. The reversal of 31131100032133 is 33123000113113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31131100032133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31131100032233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19602483 + ... + 21131008.

It is an arithmetic number, because the mean of its divisors is an integer number (3932003982760).

Almost surely, 2^{31131100032133} is an apocalyptic number.

It is an amenable number.

31131100032133 is a deficient number, since it is larger than the sum of its proper divisors (324931829947).

31131100032133 is an equidigital number, since it uses as much as digits as its factorization.

31131100032133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40741467.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31131100032133 its reverse (33123000113113), we get a palindrome (64254100145246).

The spelling of 31131100032133 in words is "thirty-one trillion, one hundred thirty-one billion, one hundred million, thirty-two thousand, one hundred thirty-three".