1402314431 has 16 divisors (see below), whose sum is σ = 1643251008. Its totient is φ = 1171584000.

The previous prime is 1402314413. The next prime is 1402314443. The reversal of 1402314431 is 1344132041.

It is a cyclic number.

It is not a de Polignac number, because 1402314431 - 2⁶ = 1402314367 is a prime.

It is a super-2 number, since 2×1402314431² = 3932971526781707522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1402314397 and 1402314406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402314131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515531 + ... + 518243.

It is an arithmetic number, because the mean of its divisors is an integer number (102703188).

Almost surely, 2^1402314431 is an apocalyptic number.

1402314431 is a deficient number, since it is larger than the sum of its proper divisors (240936577).

1402314431 is a wasteful number, since it uses less digits than its factorization.

1402314431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1402314431 is about 37447.4889812388. The cubic root of 1402314431 is about 1119.3050618251.

Adding to 1402314431 its reverse (1344132041), we get a palindrome (2746446472).

The spelling of 1402314431 in words is "one billion, four hundred two million, three hundred fourteen thousand, four hundred thirty-one".