4231503661 has 32 divisors (see below), whose sum is σ = 5566694400. Its totient is φ = 3116206080.

The previous prime is 4231503589. The next prime is 4231503673. The reversal of 4231503661 is 1663051324.

It is a cyclic number.

It is not a de Polignac number, because 4231503661 - 2¹⁷ = 4231372589 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 (4231503691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644845 + ... + 651373.

It is an arithmetic number, because the mean of its divisors is an integer number (173959200).

Almost surely, 2^4231503661 is an apocalyptic number.

It is an amenable number.

4231503661 is a deficient number, since it is larger than the sum of its proper divisors (1335190739).

4231503661 is a wasteful number, since it uses less digits than its factorization.

4231503661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4231503661 is about 65050.0089239041. The cubic root of 4231503661 is about 1617.4526419791.

Adding to 4231503661 its reverse (1663051324), we get a palindrome (5894554985).

The spelling of 4231503661 in words is "four billion, two hundred thirty-one million, five hundred three thousand, six hundred sixty-one".