4230939731 has 4 divisors (see below), whose sum is σ = 4238760864. Its totient is φ = 4223118600.

The previous prime is 4230939709. The next prime is 4230939829. The reversal of 4230939731 is 1379390324.

4230939731 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4230939731 - 2⁶ = 4230939667 is a prime.

It is a super-2 number, since 2×4230939731² = 35801702014708704722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4230939431) 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, 3909755 + ... + 3910836.

It is an arithmetic number, because the mean of its divisors is an integer number (1059690216).

Almost surely, 2^4230939731 is an apocalyptic number.

4230939731 is a deficient number, since it is larger than the sum of its proper divisors (7821133).

4230939731 is an equidigital number, since it uses as much as digits as its factorization.

4230939731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821132.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 4230939731 is about 65045.6741912942. The cubic root of 4230939731 is about 1617.3807864667.

The spelling of 4230939731 in words is "four billion, two hundred thirty million, nine hundred thirty-nine thousand, seven hundred thirty-one".