131530020355 has 16 divisors (see below), whose sum is σ = 163038907584. Its totient is φ = 101788306560.

The previous prime is 131530020229. The next prime is 131530020359. The reversal of 131530020355 is 553020035131.

It is not a de Polignac number, because 131530020355 - 2²⁷ = 131395802627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131530020359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2022831 + ... + 2086840.

It is an arithmetic number, because the mean of its divisors is an integer number (10189931724).

Almost surely, 2^131530020355 is an apocalyptic number.

131530020355 is a deficient number, since it is larger than the sum of its proper divisors (31508887229).

131530020355 is a wasteful number, since it uses less digits than its factorization.

131530020355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109886.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 131530020355 its reverse (553020035131), we get a palindrome (684550055486).

The spelling of 131530020355 in words is "one hundred thirty-one billion, five hundred thirty million, twenty thousand, three hundred fifty-five".