130031221123 has 4 divisors (see below), whose sum is σ = 131181940008. Its totient is φ = 128880502240.

The previous prime is 130031221109. The next prime is 130031221127. The reversal of 130031221123 is 321122130031.

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 130031221123 - 2²⁵ = 129997666691 is a prime.

It is a super-2 number, since 2×130031221123² (a number of 23 digits) contains 22 as substring.

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 130031221123.

It is not an unprimeable number, because it can be changed into a prime (130031221127) 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, 575359273 + ... + 575359498.

It is an arithmetic number, because the mean of its divisors is an integer number (32795485002).

Almost surely, 2^130031221123 is an apocalyptic number.

130031221123 is a deficient number, since it is larger than the sum of its proper divisors (1150718885).

130031221123 is a wasteful number, since it uses less digits than its factorization.

130031221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150718884.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130031221123 its reverse (321122130031), we get a palindrome (451153351154).

The spelling of 130031221123 in words is "one hundred thirty billion, thirty-one million, two hundred twenty-one thousand, one hundred twenty-three".