1230302213131 has 4 divisors (see below), whose sum is σ = 1242483423264. Its totient is φ = 1218121003000.

The previous prime is 1230302213069. The next prime is 1230302213213. The reversal of 1230302213131 is 1313122030321.

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-1230302213131 is a prime.

It is a super-2 number, since 2×1230302213131² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230302214131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6090604915 + ... + 6090605116.

It is an arithmetic number, because the mean of its divisors is an integer number (310620855816).

Almost surely, 2^{1230302213131} is an apocalyptic number.

1230302213131 is a deficient number, since it is larger than the sum of its proper divisors (12181210133).

1230302213131 is a wasteful number, since it uses less digits than its factorization.

1230302213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12181210132.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1230302213131 its reverse (1313122030321), we get a palindrome (2543424243452).

The spelling of 1230302213131 in words is "one trillion, two hundred thirty billion, three hundred two million, two hundred thirteen thousand, one hundred thirty-one".