1313123413 has 12 divisors (see below), whose sum is σ = 1542347040. Its totient is φ = 1114602552.

The previous prime is 1313123387. The next prime is 1313123423. The reversal of 1313123413 is 3143213131.

It is not a de Polignac number, because 1313123413 - 2⁹ = 1313122901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313123423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125043 + ... + 135136.

It is an arithmetic number, because the mean of its divisors is an integer number (128528920).

Almost surely, 2^1313123413 is an apocalyptic number.

It is an amenable number.

1313123413 is a deficient number, since it is larger than the sum of its proper divisors (229223627).

1313123413 is a wasteful number, since it uses less digits than its factorization.

1313123413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260296 (or 260289 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 1313123413 is about 36237.0447608521. The cubic root of 1313123413 is about 1095.0531066867.

Adding to 1313123413 its reverse (3143213131), we get a palindrome (4456336544).

The spelling of 1313123413 in words is "one billion, three hundred thirteen million, one hundred twenty-three thousand, four hundred thirteen".