1313032104 has 48 divisors (see below), whose sum is σ = 3580024500. Its totient is φ = 434736384.

The previous prime is 1313032087. The next prime is 1313032109. The reversal of 1313032104 is 4012303131.

It can be written as a sum of positive squares in 2 ways, for example, as 1224860004 + 88172100 = 34998^2 + 9390^2 .

It is a super-2 number, since 2×1313032104² = 3448106612269333632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1313032109) 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, 50469 + ... + 71924.

Almost surely, 2^1313032104 is an apocalyptic number.

It is an amenable number.

1313032104 is an abundant number, since it is smaller than the sum of its proper divisors (2266992396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313032104 is a wasteful number, since it uses less digits than its factorization.

1313032104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122554 (or 122547 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1313032104 is about 36235.7848542018. The cubic root of 1313032104 is about 1095.0277243246.

Adding to 1313032104 its reverse (4012303131), we get a palindrome (5325335235).

The spelling of 1313032104 in words is "one billion, three hundred thirteen million, thirty-two thousand, one hundred four".