131245431757 has 8 divisors (see below), whose sum is σ = 150712457760. Its totient is φ = 113034342960.

The previous prime is 131245431703. The next prime is 131245431767. The reversal of 131245431757 is 757134542131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131245431757 - 2¹⁵ = 131245398989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131245431767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313984078 + ... + 313984495.

It is an arithmetic number, because the mean of its divisors is an integer number (18839057220).

Almost surely, 2^131245431757 is an apocalyptic number.

It is an amenable number.

131245431757 is a deficient number, since it is larger than the sum of its proper divisors (19467026003).

131245431757 is a wasteful number, since it uses less digits than its factorization.

131245431757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627968603.

The product of its digits is 352800, while the sum is 43.

Adding to 131245431757 its reverse (757134542131), we get a palindrome (888379973888).

The spelling of 131245431757 in words is "one hundred thirty-one billion, two hundred forty-five million, four hundred thirty-one thousand, seven hundred fifty-seven".