3201431 has 2 divisors, whose sum is σ = 3201432. Its totient is φ = 3201430.

The previous prime is 3201427. The next prime is 3201437. The reversal of 3201431 is 1341023.

It is a weak prime.

It is an emirp because it is prime and its reverse (1341023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3201431 - 2² = 3201427 is a prime.

It is a super-2 number, since 2×3201431² = 20498320895522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3201437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600715 + 1600716.

It is an arithmetic number, because the mean of its divisors is an integer number (1600716).

Almost surely, 2^3201431 is an apocalyptic number.

3201431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201431 is an equidigital number, since it uses as much as digits as its factorization.

3201431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3201431 is about 1789.2543139532. The cubic root of 3201431 is about 147.3832227099.

Adding to 3201431 its reverse (1341023), we get a palindrome (4542454).

The spelling of 3201431 in words is "three million, two hundred one thousand, four hundred thirty-one".