2321299157 has 8 divisors (see below), whose sum is σ = 2349520920. Its totient is φ = 2293125120.

The previous prime is 2321299151. The next prime is 2321299199. The reversal of 2321299157 is 7519921232.

2321299157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 966028561 + 1355270596 = 31081^2 + 36814^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321299157 is a prime.

It is a super-4 number, since 4×2321299157⁴ (a number of 39 digits) contains 4444 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 (2321299151) 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, 91307 + ... + 113927.

It is an arithmetic number, because the mean of its divisors is an integer number (293690115).

Almost surely, 2^2321299157 is an apocalyptic number.

It is an amenable number.

2321299157 is a deficient number, since it is larger than the sum of its proper divisors (28221763).

2321299157 is a wasteful number, since it uses less digits than its factorization.

2321299157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23863.

The product of its digits is 68040, while the sum is 41.

The square root of 2321299157 is about 48179.8625672594. The cubic root of 2321299157 is about 1324.0682486048.

The spelling of 2321299157 in words is "two billion, three hundred twenty-one million, two hundred ninety-nine thousand, one hundred fifty-seven".