131517340620 has 48 divisors (see below), whose sum is σ = 368453325408. Its totient is φ = 35051788800.

The previous prime is 131517340613. The next prime is 131517340631. The reversal of 131517340620 is 26043715131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500479 + ... + 716598.

It is an arithmetic number, because the mean of its divisors is an integer number (7676110946).

Almost surely, 2^131517340620 is an apocalyptic number.

131517340620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131517340620 is an abundant number, since it is smaller than the sum of its proper divisors (236935984788).

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

131517340620 is a wasteful number, since it uses less digits than its factorization.

131517340620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218890 (or 1218888 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 131517340620 in words is "one hundred thirty-one billion, five hundred seventeen million, three hundred forty thousand, six hundred twenty".