131340432250 has 64 divisors (see below), whose sum is σ = 247939919136. Its totient is φ = 52095360000.

The previous prime is 131340432227. The next prime is 131340432269. The reversal of 131340432250 is 52234043131.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 59671252729 + 71669179521 = 244277^2 + 267711^2 .

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, 17339464 + ... + 17347036.

Almost surely, 2^131340432250 is an apocalyptic number.

131340432250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131340432250 is a deficient number, since it is larger than the sum of its proper divisors (116599486886).

131340432250 is a wasteful number, since it uses less digits than its factorization.

131340432250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164 (or 8154 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 131340432250 its reverse (52234043131), we get a palindrome (183574475381).

The spelling of 131340432250 in words is "one hundred thirty-one billion, three hundred forty million, four hundred thirty-two thousand, two hundred fifty".