2131356510 has 64 divisors (see below), whose sum is σ = 5837256000. Its totient is φ = 552998016.

The previous prime is 2131356503. The next prime is 2131356553. The reversal of 2131356510 is 156531312.

2131356510 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 3 + 5 + 651 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96685 + ... + 116664.

It is an arithmetic number, because the mean of its divisors is an integer number (91207125).

Almost surely, 2^2131356510 is an apocalyptic number.

2131356510 is an abundant number, since it is smaller than the sum of its proper divisors (3705899490).

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

2131356510 is a wasteful number, since it uses less digits than its factorization.

2131356510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213402 (or 213396 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2131356510 is about 46166.6168351115. The cubic root of 2131356510 is about 1286.9214311880.

Adding to 2131356510 its reverse (156531312), we get a palindrome (2287887822).

The spelling of 2131356510 in words is "two billion, one hundred thirty-one million, three hundred fifty-six thousand, five hundred ten".