131442313502 has 8 divisors (see below), whose sum is σ = 197712673200. Its totient is φ = 65538089104.

The previous prime is 131442313489. The next prime is 131442313523. The reversal of 131442313502 is 205313244131.

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, 91532927 + ... + 91534362.

It is an arithmetic number, because the mean of its divisors is an integer number (24714084150).

Almost surely, 2^131442313502 is an apocalyptic number.

131442313502 is a deficient number, since it is larger than the sum of its proper divisors (66270359698).

131442313502 is a wasteful number, since it uses less digits than its factorization.

131442313502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183067650.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 131442313502 its reverse (205313244131), we get a palindrome (336755557633).

The spelling of 131442313502 in words is "one hundred thirty-one billion, four hundred forty-two million, three hundred thirteen thousand, five hundred two".