2131896843 has 12 divisors (see below), whose sum is σ = 3241480840. Its totient is φ = 1346461056.

The previous prime is 2131896839. The next prime is 2131896853. The reversal of 2131896843 is 3486981312.

It is not a de Polignac number, because 2131896843 - 2² = 2131896839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131896853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6233446 + ... + 6233787.

Almost surely, 2^2131896843 is an apocalyptic number.

2131896843 is a deficient number, since it is larger than the sum of its proper divisors (1109583997).

2131896843 is a wasteful number, since it uses less digits than its factorization.

2131896843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12467258 (or 12467255 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2131896843 is about 46172.4684525313. The cubic root of 2131896843 is about 1287.0301737283.

The spelling of 2131896843 in words is "two billion, one hundred thirty-one million, eight hundred ninety-six thousand, eight hundred forty-three".