131770271522 has 18 divisors (see below), whose sum is σ = 198575240283. Its totient is φ = 65579942052.

The previous prime is 131770271509. The next prime is 131770271573. The reversal of 131770271522 is 225172077131.

It can be written as a sum of positive squares in only one way, i.e., 65885135761 + 65885135761 = 256681^2 + 256681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=256681.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 145280993 + ... + 145281899.

Almost surely, 2^131770271522 is an apocalyptic number.

131770271522 is a deficient number, since it is larger than the sum of its proper divisors (66804968761).

131770271522 is an frugal number, since it uses more digits than its factorization.

131770271522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 131770271522 in words is "one hundred thirty-one billion, seven hundred seventy million, two hundred seventy-one thousand, five hundred twenty-two".