1403401313 has 4 divisors (see below), whose sum is σ = 1477264560. Its totient is φ = 1329538068.

The previous prime is 1403401309. The next prime is 1403401343. The reversal of 1403401313 is 3131043041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1403401313 - 2² = 1403401309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403401303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36931595 + ... + 36931632.

It is an arithmetic number, because the mean of its divisors is an integer number (369316140).

Almost surely, 2^1403401313 is an apocalyptic number.

It is an amenable number.

1403401313 is a deficient number, since it is larger than the sum of its proper divisors (73863247).

1403401313 is an equidigital number, since it uses as much as digits as its factorization.

1403401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73863246.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1403401313 is about 37461.9982515615. The cubic root of 1403401313 is about 1119.5941644522.

Adding to 1403401313 its reverse (3131043041), we get a palindrome (4534444354).

The spelling of 1403401313 in words is "one billion, four hundred three million, four hundred one thousand, three hundred thirteen".