1311034464 has 48 divisors (see below), whose sum is σ = 3823853040. Its totient is φ = 437011200.

The previous prime is 1311034463. The next prime is 1311034469. The reversal of 1311034464 is 4644301131.

1311034464 is a `hidden beast` number, since 1 + 311 + 0 + 344 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1311034464² = 3437622731591534592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311034463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757837 + ... + 759564.

It is an arithmetic number, because the mean of its divisors is an integer number (79663605).

Almost surely, 2^1311034464 is an apocalyptic number.

It is an amenable number.

1311034464 is an abundant number, since it is smaller than the sum of its proper divisors (2512818576).

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

1311034464 is a wasteful number, since it uses less digits than its factorization.

1311034464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517420 (or 1517406 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1311034464 is about 36208.2098977566. The cubic root of 1311034464 is about 1094.4721193624.

Adding to 1311034464 its reverse (4644301131), we get a palindrome (5955335595).

It can be divided in two parts, 13110 and 34464, that added together give a palindrome (47574).

The spelling of 1311034464 in words is "one billion, three hundred eleven million, thirty-four thousand, four hundred sixty-four".