1402322431 has 2 divisors, whose sum is σ = 1402322432. Its totient is φ = 1402322430.

The previous prime is 1402322423. The next prime is 1402322437. The reversal of 1402322431 is 1342232041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1402322431 - 2³ = 1402322423 is a prime.

It is a super-2 number, since 2×1402322431² = 3933016400971499522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402322437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701161215 + 701161216.

It is an arithmetic number, because the mean of its divisors is an integer number (701161216).

Almost surely, 2^1402322431 is an apocalyptic number.

1402322431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402322431 is an equidigital number, since it uses as much as digits as its factorization.

1402322431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1402322431 is about 37447.5957973272. The cubic root of 1402322431 is about 1119.3071903120.

Adding to 1402322431 its reverse (1342232041), we get a palindrome (2744554472).

The spelling of 1402322431 in words is "one billion, four hundred two million, three hundred twenty-two thousand, four hundred thirty-one".