1313020036 has 12 divisors (see below), whose sum is σ = 2359887628. Its totient is φ = 638766432.

The previous prime is 1313020031. The next prime is 1313020127. The reversal of 1313020036 is 6300203131.

It can be written as a sum of positive squares in 2 ways, for example, as 1025920900 + 287099136 = 32030^2 + 16944^2 .

It is a super-2 number, since 2×1313020036² = 3448043229874882592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313019995 and 1313020022.

It is not an unprimeable number, because it can be changed into a prime (1313020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4435731 + ... + 4436026.

Almost surely, 2^1313020036 is an apocalyptic number.

It is an amenable number.

1313020036 is a deficient number, since it is larger than the sum of its proper divisors (1046867592).

1313020036 is a wasteful number, since it uses less digits than its factorization.

1313020036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871798 (or 8871796 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1313020036 is about 36235.6183333471. The cubic root of 1313020036 is about 1095.0243695361.

Adding to 1313020036 its reverse (6300203131), we get a palindrome (7613223167).

The spelling of 1313020036 in words is "one billion, three hundred thirteen million, twenty thousand, thirty-six".