131021000361 has 8 divisors (see below), whose sum is σ = 194105185760. Its totient is φ = 87347333556.

The previous prime is 131021000353. The next prime is 131021000389. The reversal of 131021000361 is 163000120131.

It is not a de Polignac number, because 131021000361 - 2³ = 131021000353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131021000321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2426314795 + ... + 2426314848.

It is an arithmetic number, because the mean of its divisors is an integer number (24263148220).

Almost surely, 2^131021000361 is an apocalyptic number.

It is an amenable number.

131021000361 is a deficient number, since it is larger than the sum of its proper divisors (63084185399).

131021000361 is an equidigital number, since it uses as much as digits as its factorization.

131021000361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852629652 (or 4852629646 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131021000361 its reverse (163000120131), we get a palindrome (294021120492).

The spelling of 131021000361 in words is "one hundred thirty-one billion, twenty-one million, three hundred sixty-one", and thus it is an aban number.