131020120133 has 32 divisors (see below), whose sum is σ = 156059904000. Its totient is φ = 107621934336.

The previous prime is 131020120093. The next prime is 131020120141. The reversal of 131020120133 is 331021020131.

It is not a de Polignac number, because 131020120133 - 2³⁴ = 113840250949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020120183) 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, 15794735 + ... + 15803027.

It is an arithmetic number, because the mean of its divisors is an integer number (4876872000).

Almost surely, 2^131020120133 is an apocalyptic number.

It is an amenable number.

131020120133 is a deficient number, since it is larger than the sum of its proper divisors (25039783867).

131020120133 is a wasteful number, since it uses less digits than its factorization.

131020120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131020120133 its reverse (331021020131), we get a palindrome (462041140264).

The spelling of 131020120133 in words is "one hundred thirty-one billion, twenty million, one hundred twenty thousand, one hundred thirty-three".