1313214044 has 12 divisors (see below), whose sum is σ = 2299991064. Its totient is φ = 656073744.

The previous prime is 1313214041. The next prime is 1313214107. The reversal of 1313214044 is 4404123131.

It is a super-2 number, since 2×1313214044² = 3449062250717667872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313214041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127754 + ... + 137649.

It is an arithmetic number, because the mean of its divisors is an integer number (191665922).

Almost surely, 2^1313214044 is an apocalyptic number.

It is an amenable number.

1313214044 is a deficient number, since it is larger than the sum of its proper divisors (986777020).

1313214044 is a wasteful number, since it uses less digits than its factorization.

1313214044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266644 (or 266642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1313214044 is about 36238.2952689555. The cubic root of 1313214044 is about 1095.0782994127.

Adding to 1313214044 its reverse (4404123131), we get a palindrome (5717337175).

The spelling of 1313214044 in words is "one billion, three hundred thirteen million, two hundred fourteen thousand, forty-four".