4721240831 has 2 divisors, whose sum is σ = 4721240832. Its totient is φ = 4721240830.

The previous prime is 4721240809. The next prime is 4721240873. The reversal of 4721240831 is 1380421274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4721240831 - 2²⁶ = 4654131967 is a prime.

It is a super-2 number, since 2×4721240831² = 44580229968603141122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4781240831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360620415 + 2360620416.

It is an arithmetic number, because the mean of its divisors is an integer number (2360620416).

Almost surely, 2^4721240831 is an apocalyptic number.

4721240831 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721240831 is an equidigital number, since it uses as much as digits as its factorization.

4721240831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4721240831 is about 68711.2860525838. The cubic root of 4721240831 is about 1677.5882854471.

The spelling of 4721240831 in words is "four billion, seven hundred twenty-one million, two hundred forty thousand, eight hundred thirty-one".