231194963 has 2 divisors, whose sum is σ = 231194964. Its totient is φ = 231194962.

The previous prime is 231194921. The next prime is 231194969. The reversal of 231194963 is 369491132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231194963 - 2²² = 227000659 is a prime.

It is a super-2 number, since 2×231194963² = 106902221833142738, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (231194969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115597481 + 115597482.

It is an arithmetic number, because the mean of its divisors is an integer number (115597482).

Almost surely, 2^231194963 is an apocalyptic number.

231194963 is a deficient number, since it is larger than the sum of its proper divisors (1).

231194963 is an equidigital number, since it uses as much as digits as its factorization.

231194963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 231194963 is about 15205.0966126493. The cubic root of 231194963 is about 613.7518148342.

It can be divided in two parts, 23119 and 4963, that added together give a palindrome (28082).

The spelling of 231194963 in words is "two hundred thirty-one million, one hundred ninety-four thousand, nine hundred sixty-three".