131504431351 has 8 divisors (see below), whose sum is σ = 133352304624. Its totient is φ = 129669346560.

The previous prime is 131504431349. The next prime is 131504431393. The reversal of 131504431351 is 153134405131.

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

It is a cyclic number.

It is not a de Polignac number, because 131504431351 - 2¹ = 131504431349 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 (131504432351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176410 + ... + 3217543.

It is an arithmetic number, because the mean of its divisors is an integer number (16669038078).

Almost surely, 2^131504431351 is an apocalyptic number.

131504431351 is a deficient number, since it is larger than the sum of its proper divisors (1847873273).

131504431351 is a wasteful number, since it uses less digits than its factorization.

131504431351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394241.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 131504431351 its reverse (153134405131), we get a palindrome (284638836482).

The spelling of 131504431351 in words is "one hundred thirty-one billion, five hundred four million, four hundred thirty-one thousand, three hundred fifty-one".