130031223044 has 24 divisors (see below), whose sum is σ = 229813112088. Its totient is φ = 64371560960.

The previous prime is 130031223043. The next prime is 130031223061. The reversal of 130031223044 is 440322130031.

It can be written as a sum of positive squares in 4 ways, for example, as 23252590144 + 106778632900 = 152488^2 + 326770^2 .

It is not an unprimeable number, because it can be changed into a prime (130031223043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272474 + ... + 578190.

It is an arithmetic number, because the mean of its divisors is an integer number (9575546337).

Almost surely, 2^130031223044 is an apocalyptic number.

It is an amenable number.

130031223044 is a deficient number, since it is larger than the sum of its proper divisors (99781889044).

130031223044 is a wasteful number, since it uses less digits than its factorization.

130031223044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306775 (or 306773 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 130031223044 its reverse (440322130031), we get a palindrome (570353353075).

The spelling of 130031223044 in words is "one hundred thirty billion, thirty-one million, two hundred twenty-three thousand, forty-four".