1311354050 has 48 divisors (see below), whose sum is σ = 2505589632. Its totient is φ = 510379200.

The previous prime is 1311354047. The next prime is 1311354053. The reversal of 1311354050 is 504531131.

It is an interprime number because it is at equal distance from previous prime (1311354047) and next prime (1311354053).

It is not an unprimeable number, because it can be changed into a prime (1311354053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423809 + ... + 426891.

It is an arithmetic number, because the mean of its divisors is an integer number (52199784).

Almost surely, 2^1311354050 is an apocalyptic number.

1311354050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311354050 is a deficient number, since it is larger than the sum of its proper divisors (1194235582).

1311354050 is a wasteful number, since it uses less digits than its factorization.

1311354050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1311354050 is about 36212.6227992395. The cubic root of 1311354050 is about 1094.5610439379.

Adding to 1311354050 its reverse (504531131), we get a palindrome (1815885181).

The spelling of 1311354050 in words is "one billion, three hundred eleven million, three hundred fifty-four thousand, fifty".