2131457349 has 8 divisors (see below), whose sum is σ = 3247935040. Its totient is φ = 1217975616.

The previous prime is 2131457299. The next prime is 2131457353. The reversal of 2131457349 is 9437541312.

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

It is not a de Polignac number, because 2131457349 - 2¹⁷ = 2131326277 is a prime.

It is a super-2 number, since 2×2131457349² = 9086220861212215602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131457389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50748964 + ... + 50749005.

It is an arithmetic number, because the mean of its divisors is an integer number (405991880).

Almost surely, 2^2131457349 is an apocalyptic number.

It is an amenable number.

2131457349 is a deficient number, since it is larger than the sum of its proper divisors (1116477691).

2131457349 is a wasteful number, since it uses less digits than its factorization.

2131457349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101497979.

The product of its digits is 90720, while the sum is 39.

The square root of 2131457349 is about 46167.7089425066. The cubic root of 2131457349 is about 1286.9417265293.

The spelling of 2131457349 in words is "two billion, one hundred thirty-one million, four hundred fifty-seven thousand, three hundred forty-nine".