2131000828 has 24 divisors (see below), whose sum is σ = 4092649344. Its totient is φ = 962833200.

The previous prime is 2131000787. The next prime is 2131000849. The reversal of 2131000828 is 8280001312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137658 + ... + 152353.

It is an arithmetic number, because the mean of its divisors is an integer number (170527056).

Almost surely, 2^2131000828 is an apocalyptic number.

It is an amenable number.

2131000828 is a deficient number, since it is larger than the sum of its proper divisors (1961648516).

2131000828 is a wasteful number, since it uses less digits than its factorization.

2131000828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290193 (or 290191 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2131000828 is about 46162.7645186031. The cubic root of 2131000828 is about 1286.8498398093.

The spelling of 2131000828 in words is "two billion, one hundred thirty-one million, eight hundred twenty-eight", and thus it is an aban number.