130020342031 has 4 divisors (see below), whose sum is σ = 130413153064. Its totient is φ = 129627531000.

The previous prime is 130020342017. The next prime is 130020342041. The reversal of 130020342031 is 130243020031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130020342031 is a prime.

It is a super-2 number, since 2×130020342031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020342041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196405020 + ... + 196405681.

It is an arithmetic number, because the mean of its divisors is an integer number (32603288266).

Almost surely, 2^130020342031 is an apocalyptic number.

130020342031 is a deficient number, since it is larger than the sum of its proper divisors (392811033).

130020342031 is an equidigital number, since it uses as much as digits as its factorization.

130020342031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392811032.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 130020342031 its reverse (130243020031), we get a palindrome (260263362062).

The spelling of 130020342031 in words is "one hundred thirty billion, twenty million, three hundred forty-two thousand, thirty-one".