131193190948 has 12 divisors (see below), whose sum is σ = 230753507292. Its totient is φ = 65263617440.

The previous prime is 131193190939. The next prime is 131193190951. The reversal of 131193190948 is 849091391131.

It can be written as a sum of positive squares in 2 ways, for example, as 102686920704 + 28506270244 = 320448^2 + 168838^2 .

It is a super-2 number, since 2×131193190948² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83243623 + ... + 83245198.

It is an arithmetic number, because the mean of its divisors is an integer number (19229458941).

Almost surely, 2^131193190948 is an apocalyptic number.

It is an amenable number.

131193190948 is a deficient number, since it is larger than the sum of its proper divisors (99560316344).

131193190948 is a wasteful number, since it uses less digits than its factorization.

131193190948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166489022 (or 166489020 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 131193190948 in words is "one hundred thirty-one billion, one hundred ninety-three million, one hundred ninety thousand, nine hundred forty-eight".