131313126250 has 40 divisors (see below), whose sum is σ = 247904395200. Its totient is φ = 52147302000.

The previous prime is 131313126233. The next prime is 131313126313. The reversal of 131313126250 is 52621313131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 204130 + ... + 551629.

It is an arithmetic number, because the mean of its divisors is an integer number (6197609880).

Almost surely, 2^131313126250 is an apocalyptic number.

131313126250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131313126250 is a deficient number, since it is larger than the sum of its proper divisors (116591268950).

131313126250 is an equidigital number, since it uses as much as digits as its factorization.

131313126250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755920 (or 755905 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 131313126250 its reverse (52621313131), we get a palindrome (183934439381).

The spelling of 131313126250 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred twenty-six thousand, two hundred fifty".