1313420312 has 8 divisors (see below), whose sum is σ = 2462663100. Its totient is φ = 656710152.

The previous prime is 1313420293. The next prime is 1313420321. The reversal of 1313420312 is 2130243131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82088762 + ... + 82088777.

Almost surely, 2^1313420312 is an apocalyptic number.

It is an amenable number.

1313420312 is a deficient number, since it is larger than the sum of its proper divisors (1149242788).

1313420312 is a wasteful number, since it uses less digits than its factorization.

1313420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164177545 (or 164177541 counting only the distinct ones).

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

The square root of 1313420312 is about 36241.1411520112. The cubic root of 1313420312 is about 1095.1356314692.

Adding to 1313420312 its reverse (2130243131), we get a palindrome (3443663443).

The spelling of 1313420312 in words is "one billion, three hundred thirteen million, four hundred twenty thousand, three hundred twelve".