1402331313 has 8 divisors (see below), whose sum is σ = 1870005376. Its totient is φ = 934772400.

The previous prime is 1402331303. The next prime is 1402331327. The reversal of 1402331313 is 3131332041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1402331313 - 2¹³ = 1402323121 is a prime.

It is a super-2 number, since 2×1402331313² = 3933066222840607938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402331313.

It is not an unprimeable number, because it can be changed into a prime (1402331303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5448 + ... + 53238.

It is an arithmetic number, because the mean of its divisors is an integer number (233750672).

Almost surely, 2^1402331313 is an apocalyptic number.

It is an amenable number.

1402331313 is a deficient number, since it is larger than the sum of its proper divisors (467674063).

1402331313 is an equidigital number, since it uses as much as digits as its factorization.

1402331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57575.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1402331313 is about 37447.7143895325. The cubic root of 1402331313 is about 1119.3095534550.

Adding to 1402331313 its reverse (3131332041), we get a palindrome (4533663354).

The spelling of 1402331313 in words is "one billion, four hundred two million, three hundred thirty-one thousand, three hundred thirteen".