130450220431 has 4 divisors (see below), whose sum is σ = 130450974264. Its totient is φ = 130449466600.

The previous prime is 130450220429. The next prime is 130450220471. The reversal of 130450220431 is 134022054031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 134022054031 = 29 ⋅4621450139.

It is a cyclic number.

It is not a de Polignac number, because 130450220431 - 2¹ = 130450220429 is a prime.

It is a super-2 number, since 2×130450220431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130450220396 and 130450220405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130450220471) 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, 26796 + ... + 511486.

It is an arithmetic number, because the mean of its divisors is an integer number (32612743566).

Almost surely, 2^130450220431 is an apocalyptic number.

130450220431 is a deficient number, since it is larger than the sum of its proper divisors (753833).

130450220431 is an equidigital number, since it uses as much as digits as its factorization.

130450220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753832.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 130450220431 its reverse (134022054031), we get a palindrome (264472274462).

The spelling of 130450220431 in words is "one hundred thirty billion, four hundred fifty million, two hundred twenty thousand, four hundred thirty-one".