320030230330131 has 64 divisors (see below), whose sum is σ = 451312127877120. Its totient is φ = 201461898193920.

The previous prime is 320030230330127. The next prime is 320030230330319. The reversal of 320030230330131 is 131033032030023.

It is not a de Polignac number, because 320030230330131 - 2² = 320030230330127 is a prime.

It is a super-2 number, since 2×320030230330131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320030230334131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243429346 + ... + 244740488.

It is an arithmetic number, because the mean of its divisors is an integer number (7051751998080).

Almost surely, 2^{320030230330131} is an apocalyptic number.

320030230330131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

320030230330131 is a deficient number, since it is larger than the sum of its proper divisors (131281897546989).

320030230330131 is a wasteful number, since it uses less digits than its factorization.

320030230330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311636.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 320030230330131 its reverse (131033032030023), we get a palindrome (451063262360154).

The spelling of 320030230330131 in words is "three hundred twenty trillion, thirty billion, two hundred thirty million, three hundred thirty thousand, one hundred thirty-one".