2131233319 has 4 divisors (see below), whose sum is σ = 2131630744. Its totient is φ = 2130835896.

The previous prime is 2131233301. The next prime is 2131233329. The reversal of 2131233319 is 9133321312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131233319 - 2¹³ = 2131225127 is a prime.

It is a super-2 number, since 2×2131233319² = 9084310920031511522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131233329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190557 + ... + 201430.

It is an arithmetic number, because the mean of its divisors is an integer number (532907686).

Almost surely, 2^2131233319 is an apocalyptic number.

2131233319 is a deficient number, since it is larger than the sum of its proper divisors (397425).

2131233319 is an equidigital number, since it uses as much as digits as its factorization.

2131233319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397424.

The product of its digits is 2916, while the sum is 28.

The square root of 2131233319 is about 46165.2826158359. The cubic root of 2131233319 is about 1286.8966363071.

The spelling of 2131233319 in words is "two billion, one hundred thirty-one million, two hundred thirty-three thousand, three hundred nineteen".