131230501320 has 64 divisors (see below), whose sum is σ = 399236480640. Its totient is φ = 34501913600.

The previous prime is 131230501319. The next prime is 131230501361. The reversal of 131230501320 is 23105032131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7692801 + ... + 7709840.

It is an arithmetic number, because the mean of its divisors is an integer number (6238070010).

Almost surely, 2^131230501320 is an apocalyptic number.

131230501320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131230501320 is an abundant number, since it is smaller than the sum of its proper divisors (268005979320).

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

131230501320 is a wasteful number, since it uses less digits than its factorization.

131230501320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15402726 (or 15402722 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 131230501320 its reverse (23105032131), we get a palindrome (154335533451).

The spelling of 131230501320 in words is "one hundred thirty-one billion, two hundred thirty million, five hundred one thousand, three hundred twenty".