131144023230 has 64 divisors (see below), whose sum is σ = 344224124928. Its totient is φ = 31712376960.

The previous prime is 131144023181. The next prime is 131144023243. The reversal of 131144023230 is 32320441131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131144023230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369502 + ... + 631521.

It is an arithmetic number, because the mean of its divisors is an integer number (5378501952).

Almost surely, 2^131144023230 is an apocalyptic number.

131144023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131144023230 is an abundant number, since it is smaller than the sum of its proper divisors (213080101698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131144023230 is a wasteful number, since it uses less digits than its factorization.

131144023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001441.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131144023230 its reverse (32320441131), we get a palindrome (163464464361).

The spelling of 131144023230 in words is "one hundred thirty-one billion, one hundred forty-four million, twenty-three thousand, two hundred thirty".