131661243302 has 8 divisors (see below), whose sum is σ = 197644844712. Its totient is φ = 65779628400.

The previous prime is 131661243229. The next prime is 131661243319. The reversal of 131661243302 is 203342166131.

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

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, 25493399 + ... + 25498562.

It is an arithmetic number, because the mean of its divisors is an integer number (24705605589).

Almost surely, 2^131661243302 is an apocalyptic number.

131661243302 is a deficient number, since it is larger than the sum of its proper divisors (65983601410).

131661243302 is a wasteful number, since it uses less digits than its factorization.

131661243302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50993254.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 131661243302 in words is "one hundred thirty-one billion, six hundred sixty-one million, two hundred forty-three thousand, three hundred two".