1313323401 has 32 divisors (see below), whose sum is σ = 1951710208. Its totient is φ = 780088320.

The previous prime is 1313323343. The next prime is 1313323409. The reversal of 1313323401 is 1043233131.

It is not a de Polignac number, because 1313323401 - 2¹¹ = 1313321353 is a prime.

It is a super-2 number, since 2×1313323401² = 3449636711228413602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313323409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551325 + ... + 553701.

It is an arithmetic number, because the mean of its divisors is an integer number (60990944).

Almost surely, 2^1313323401 is an apocalyptic number.

It is an amenable number.

1313323401 is a deficient number, since it is larger than the sum of its proper divisors (638386807).

1313323401 is a wasteful number, since it uses less digits than its factorization.

1313323401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

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

The square root of 1313323401 is about 36239.8040971526. The cubic root of 1313323401 is about 1095.1086958674.

Adding to 1313323401 its reverse (1043233131), we get a palindrome (2356556532).

The spelling of 1313323401 in words is "one billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred one".