131345343503502 has 8 divisors (see below), whose sum is σ = 262690687007016. Its totient is φ = 43781781167832.

The previous prime is 131345343503477. The next prime is 131345343503579. The reversal of 131345343503502 is 205305343543131.

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

131345343503502 is an admirable number.

It is a super-4 number, since 4×131345343503502⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10945445291953 + ... + 10945445291964.

It is an arithmetic number, because the mean of its divisors is an integer number (32836335875877).

Almost surely, 2^{131345343503502} is an apocalyptic number.

131345343503502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131345343503502 is a wasteful number, since it uses less digits than its factorization.

131345343503502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21890890583922.

The product of its (nonzero) digits is 972000, while the sum is 42.

The spelling of 131345343503502 in words is "one hundred thirty-one trillion, three hundred forty-five billion, three hundred forty-three million, five hundred three thousand, five hundred two".