1310969944 has 16 divisors (see below), whose sum is σ = 2474568000. Its totient is φ = 651085152.

The previous prime is 1310969941. The next prime is 1310969951. The reversal of 1310969944 is 4499690131.

It is a junction number, because it is equal to n+sod(n) for n = 1310969894 and 1310969903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310969941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548712 + ... + 551095.

It is an arithmetic number, because the mean of its divisors is an integer number (154660500).

Almost surely, 2^1310969944 is an apocalyptic number.

It is an amenable number.

1310969944 is a deficient number, since it is larger than the sum of its proper divisors (1163598056).

1310969944 is a wasteful number, since it uses less digits than its factorization.

1310969944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099962 (or 1099958 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 1310969944 is about 36207.3189286365. The cubic root of 1310969944 is about 1094.4541649655.

The spelling of 1310969944 in words is "one billion, three hundred ten million, nine hundred sixty-nine thousand, nine hundred forty-four".