130073105431 has 4 divisors (see below), whose sum is σ = 137724464592. Its totient is φ = 122421746272.

The previous prime is 130073105419. The next prime is 130073105473. The reversal of 130073105431 is 134501370031.

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

It is a cyclic number.

It is not a de Polignac number, because 130073105431 - 2⁹ = 130073104919 is a prime.

It is a super-3 number, since 3×130073105431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130073105431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130073105231) 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, 3825679555 + ... + 3825679588.

It is an arithmetic number, because the mean of its divisors is an integer number (34431116148).

Almost surely, 2^130073105431 is an apocalyptic number.

130073105431 is a deficient number, since it is larger than the sum of its proper divisors (7651359161).

130073105431 is an equidigital number, since it uses as much as digits as its factorization.

130073105431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651359160.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 130073105431 its reverse (134501370031), we get a palindrome (264574475462).

The spelling of 130073105431 in words is "one hundred thirty billion, seventy-three million, one hundred five thousand, four hundred thirty-one".