131001961828 has 12 divisors (see below), whose sum is σ = 229709208960. Its totient is φ = 65370759272.

The previous prime is 131001961819. The next prime is 131001961913. The reversal of 131001961828 is 828169100131.

It is a happy 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, 32553148 + ... + 32557171.

It is an arithmetic number, because the mean of its divisors is an integer number (19142434080).

Almost surely, 2^131001961828 is an apocalyptic number.

It is an amenable number.

131001961828 is a deficient number, since it is larger than the sum of its proper divisors (98707247132).

131001961828 is a wasteful number, since it uses less digits than its factorization.

131001961828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65110826 (or 65110824 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 131001961828 in words is "one hundred thirty-one billion, one million, nine hundred sixty-one thousand, eight hundred twenty-eight".