2131853530 has 32 divisors (see below), whose sum is σ = 3873453696. Its totient is φ = 844751424.

The previous prime is 2131853497. The next prime is 2131853551. The reversal of 2131853530 is 353581312.

It is a junction number, because it is equal to n+sod(n) for n = 2131853492 and 2131853501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527377 + ... + 531403.

It is an arithmetic number, because the mean of its divisors is an integer number (121045428).

Almost surely, 2^2131853530 is an apocalyptic number.

2131853530 is a deficient number, since it is larger than the sum of its proper divisors (1741600166).

2131853530 is a wasteful number, since it uses less digits than its factorization.

2131853530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2131853530 is about 46171.9994152300. Note that the first 3 decimals coincide. The cubic root of 2131853530 is about 1287.0214576225.

The spelling of 2131853530 in words is "two billion, one hundred thirty-one million, eight hundred fifty-three thousand, five hundred thirty".