131015010884 has 24 divisors (see below), whose sum is σ = 237620875800. Its totient is φ = 63131685120.

The previous prime is 131015010821. The next prime is 131015010887. The reversal of 131015010884 is 488010510131.

It can be written as a sum of positive squares in 4 ways, for example, as 36968521984 + 94046488900 = 192272^2 + 306670^2 .

It is a super-2 number, since 2×131015010884² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131015010884.

It is not an unprimeable number, because it can be changed into a prime (131015010887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981089 + ... + 1106600.

It is an arithmetic number, because the mean of its divisors is an integer number (9900869825).

Almost surely, 2^131015010884 is an apocalyptic number.

It is an amenable number.

131015010884 is a deficient number, since it is larger than the sum of its proper divisors (106605864916).

131015010884 is a wasteful number, since it uses less digits than its factorization.

131015010884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088263 (or 2088261 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 131015010884 in words is "one hundred thirty-one billion, fifteen million, ten thousand, eight hundred eighty-four".