2131433245 has 8 divisors (see below), whose sum is σ = 2617202016. Its totient is φ = 1665491856.

The previous prime is 2131433237. The next prime is 2131433263. The reversal of 2131433245 is 5423341312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131433245 - 2³ = 2131433237 is a prime.

It is a Duffinian number.

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, 4956607 + ... + 4957036.

It is an arithmetic number, because the mean of its divisors is an integer number (327150252).

Almost surely, 2^2131433245 is an apocalyptic number.

It is an amenable number.

2131433245 is a deficient number, since it is larger than the sum of its proper divisors (485768771).

2131433245 is an equidigital number, since it uses as much as digits as its factorization.

2131433245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913691.

The product of its digits is 8640, while the sum is 28.

The square root of 2131433245 is about 46167.4478935104. The cubic root of 2131433245 is about 1286.9368753008.

Adding to 2131433245 its reverse (5423341312), we get a palindrome (7554774557).

The spelling of 2131433245 in words is "two billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred forty-five".