131513430502 has 8 divisors (see below), whose sum is σ = 197288182656. Its totient is φ = 65750702952.

The previous prime is 131513430469. The next prime is 131513430547. The reversal of 131513430502 is 205034315131.

It is a happy number.

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, 2978758 + ... + 3022585.

It is an arithmetic number, because the mean of its divisors is an integer number (24661022832).

Almost surely, 2^131513430502 is an apocalyptic number.

131513430502 is a deficient number, since it is larger than the sum of its proper divisors (65774752154).

131513430502 is a wasteful number, since it uses less digits than its factorization.

131513430502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012302.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 131513430502 its reverse (205034315131), we get a palindrome (336547745633).

The spelling of 131513430502 in words is "one hundred thirty-one billion, five hundred thirteen million, four hundred thirty thousand, five hundred two".