6231810157 has 4 divisors (see below), whose sum is σ = 6232042080. Its totient is φ = 6231578236.

The previous prime is 6231810127. The next prime is 6231810181. The reversal of 6231810157 is 7510181326.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6231810157 - 2¹¹ = 6231808109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6231810127) 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, 69433 + ... + 131470.

It is an arithmetic number, because the mean of its divisors is an integer number (1558010520).

Almost surely, 2^6231810157 is an apocalyptic number.

It is an amenable number.

6231810157 is a deficient number, since it is larger than the sum of its proper divisors (231923).

6231810157 is a wasteful number, since it uses less digits than its factorization.

6231810157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231922.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 6231810157 is about 78941.8150095372. The cubic root of 6231810157 is about 1840.2270274574.

The spelling of 6231810157 in words is "six billion, two hundred thirty-one million, eight hundred ten thousand, one hundred fifty-seven".