431137963 has 2 divisors, whose sum is σ = 431137964. Its totient is φ = 431137962.

The previous prime is 431137891. The next prime is 431137979. The reversal of 431137963 is 369731134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431137963 - 2⁹ = 431137451 is a prime.

It is not a weakly prime, because it can be changed into another prime (431137363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215568981 + 215568982.

It is an arithmetic number, because the mean of its divisors is an integer number (215568982).

Almost surely, 2^431137963 is an apocalyptic number.

431137963 is a deficient number, since it is larger than the sum of its proper divisors (1).

431137963 is an equidigital number, since it uses as much as digits as its factorization.

431137963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 431137963 is about 20763.8619481059. The cubic root of 431137963 is about 755.4494717033.

It can be divided in two parts, 43113 and 7963, that added together give a square (51076 = 226²).

The spelling of 431137963 in words is "four hundred thirty-one million, one hundred thirty-seven thousand, nine hundred sixty-three".