201431968 has 12 divisors (see below), whose sum is σ = 396569250. Its totient is φ = 100715968.

The previous prime is 201431957. The next prime is 201432013. The reversal of 201431968 is 869134102.

It can be written as a sum of positive squares in only one way, i.e., 199035664 + 2396304 = 14108^2 + 1548^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3147343 + ... + 3147406.

Almost surely, 2^201431968 is an apocalyptic number.

It is an amenable number.

201431968 is a deficient number, since it is larger than the sum of its proper divisors (195137282).

201431968 is an equidigital number, since it uses as much as digits as its factorization.

201431968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6294759 (or 6294751 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 201431968 is about 14192.6730392833. The cubic root of 201431968 is about 586.1959297774.

The spelling of 201431968 in words is "two hundred one million, four hundred thirty-one thousand, nine hundred sixty-eight".