2232431287 has 2 divisors, whose sum is σ = 2232431288. Its totient is φ = 2232431286.

The previous prime is 2232431231. The next prime is 2232431293. The reversal of 2232431287 is 7821342322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2232431287 is a prime.

It is a super-3 number, since 3×2232431287³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232431207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116215643 + 1116215644.

It is an arithmetic number, because the mean of its divisors is an integer number (1116215644).

Almost surely, 2^2232431287 is an apocalyptic number.

2232431287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232431287 is an equidigital number, since it uses as much as digits as its factorization.

2232431287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 2232431287 is about 47248.6114822436. The cubic root of 2232431287 is about 1306.9511848403.

The spelling of 2232431287 in words is "two billion, two hundred thirty-two million, four hundred thirty-one thousand, two hundred eighty-seven".