131142422220498 has 48 divisors (see below), whose sum is σ = 316550674341720. Its totient is φ = 38960082991872.

The previous prime is 131142422220479. The next prime is 131142422220499. The reversal of 131142422220498 is 894022224241131.

131142422220498 is a `hidden beast` number, since 1 + 3 + 1 + 14 + 2 + 422 + 2 + 204 + 9 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 89597526566409 + 41544895654089 = 9465597^2 + 6445533^2 .

It is not an unprimeable number, because it can be changed into a prime (131142422220499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9662712211 + ... + 9662725782.

Almost surely, 2^{131142422220498} is an apocalyptic number.

131142422220498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131142422220498 is an abundant number, since it is smaller than the sum of its proper divisors (185408252121222).

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

131142422220498 is a wasteful number, since it uses less digits than its factorization.

131142422220498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19325438043 (or 19325438040 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 131142422220498 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred twenty-two million, two hundred twenty thousand, four hundred ninety-eight".