1311364554 has 16 divisors (see below), whose sum is σ = 2658657792. Its totient is φ = 431133408.

The previous prime is 1311364493. The next prime is 1311364567. The reversal of 1311364554 is 4554631131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496554 + ... + 1497429.

It is an arithmetic number, because the mean of its divisors is an integer number (166166112).

Almost surely, 2^1311364554 is an apocalyptic number.

1311364554 is an abundant number, since it is smaller than the sum of its proper divisors (1347293238).

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

1311364554 is a wasteful number, since it uses less digits than its factorization.

1311364554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994061.

The product of its digits is 21600, while the sum is 33.

The square root of 1311364554 is about 36212.7678312498. The cubic root of 1311364554 is about 1094.5639664231.

Adding to 1311364554 its reverse (4554631131), we get a palindrome (5865995685).

The spelling of 1311364554 in words is "one billion, three hundred eleven million, three hundred sixty-four thousand, five hundred fifty-four".