4157471231 has 4 divisors (see below), whose sum is σ = 4158133632. Its totient is φ = 4156808832.

The previous prime is 4157471221. The next prime is 4157471239. The reversal of 4157471231 is 1321747514.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4157471231 is a prime.

It is a super-2 number, since 2×4157471231² = 34569134073185310722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4157471191 and 4157471200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157471239) 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, 321695 + ... + 334368.

It is an arithmetic number, because the mean of its divisors is an integer number (1039533408).

Almost surely, 2^4157471231 is an apocalyptic number.

4157471231 is a deficient number, since it is larger than the sum of its proper divisors (662401).

4157471231 is an equidigital number, since it uses as much as digits as its factorization.

4157471231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662400.

The product of its digits is 23520, while the sum is 35.

The square root of 4157471231 is about 64478.4555568757. The cubic root of 4157471231 is about 1607.9643563989.

The spelling of 4157471231 in words is "four billion, one hundred fifty-seven million, four hundred seventy-one thousand, two hundred thirty-one".