2131987477300 has 18 divisors (see below), whose sum is σ = 4626412825958. Its totient is φ = 852794990880.

The previous prime is 2131987477297. The next prime is 2131987477349. The reversal of 2131987477300 is 37747891312.

It can be written as a sum of positive squares in 3 ways, for example, as 8678040336 + 2123309436964 = 93156^2 + 1457158^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10659937287 + ... + 10659937486.

Almost surely, 2^{2131987477300} is an apocalyptic number.

2131987477300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131987477300 is an abundant number, since it is smaller than the sum of its proper divisors (2494425348658).

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

2131987477300 is a wasteful number, since it uses less digits than its factorization.

2131987477300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319874787 (or 21319874780 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 2131987477300 in words is "two trillion, one hundred thirty-one billion, nine hundred eighty-seven million, four hundred seventy-seven thousand, three hundred".