1311713402 has 16 divisors (see below), whose sum is σ = 1978214400. Its totient is φ = 652317360.

The previous prime is 1311713401. The next prime is 1311713419. The reversal of 1311713402 is 2043171131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1311713401) 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, 385127 + ... + 388517.

It is an arithmetic number, because the mean of its divisors is an integer number (123638400).

Almost surely, 2^1311713402 is an apocalyptic number.

1311713402 is a deficient number, since it is larger than the sum of its proper divisors (666500998).

1311713402 is a wasteful number, since it uses less digits than its factorization.

1311713402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1311713402 is about 36217.5841546617. The cubic root of 1311713402 is about 1094.6610161199.

Adding to 1311713402 its reverse (2043171131), we get a palindrome (3354884533).

The spelling of 1311713402 in words is "one billion, three hundred eleven million, seven hundred thirteen thousand, four hundred two".