4761813231 has 32 divisors (see below), whose sum is σ = 8486668800. Its totient is φ = 2577821760.

The previous prime is 4761813209. The next prime is 4761813233. The reversal of 4761813231 is 1323181674.

It is a happy number.

4761813231 is a `hidden beast` number, since 4 + 7 + 618 + 1 + 3 + 2 + 31 = 666.

It is not a de Polignac number, because 4761813231 - 2⁶ = 4761813167 is a prime.

It is a super-2 number, since 2×4761813231² = 45349730493853318722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4761813233) 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, 659430 + ... + 666611.

It is an arithmetic number, because the mean of its divisors is an integer number (265208400).

Almost surely, 2^4761813231 is an apocalyptic number.

4761813231 is a deficient number, since it is larger than the sum of its proper divisors (3724855569).

4761813231 is a wasteful number, since it uses less digits than its factorization.

4761813231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326076 (or 1326070 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4761813231 is about 69005.8927266360. The cubic root of 4761813231 is about 1682.3800863178.

The spelling of 4761813231 in words is "four billion, seven hundred sixty-one million, eight hundred thirteen thousand, two hundred thirty-one".