130312021303 has 32 divisors (see below), whose sum is σ = 142490880000. Its totient is φ = 118754138880.

The previous prime is 130312021241. The next prime is 130312021309. The reversal of 130312021303 is 303120213031.

It is a cyclic number.

It is not a de Polignac number, because 130312021303 - 2⁹ = 130312020791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130312021309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84125773 + ... + 84127321.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840000).

Almost surely, 2^130312021303 is an apocalyptic number.

130312021303 is a deficient number, since it is larger than the sum of its proper divisors (12178858697).

130312021303 is a wasteful number, since it uses less digits than its factorization.

130312021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130312021303 its reverse (303120213031), we get a palindrome (433432234334).

The spelling of 130312021303 in words is "one hundred thirty billion, three hundred twelve million, twenty-one thousand, three hundred three".