1311282534 has 16 divisors (see below), whose sum is σ = 2622921840. Its totient is φ = 437034720.

The previous prime is 1311282529. The next prime is 1311282613. The reversal of 1311282534 is 4352821131.

It is a super-2 number, since 2×1311282534² = 3438923767946922312, which contains 22 as substring.

It is a congruent 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, 71644 + ... + 88064.

It is an arithmetic number, because the mean of its divisors is an integer number (163932615).

Almost surely, 2^1311282534 is an apocalyptic number.

1311282534 is an abundant number, since it is smaller than the sum of its proper divisors (1311639306).

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

1311282534 is a wasteful number, since it uses less digits than its factorization.

1311282534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29735.

The product of its digits is 5760, while the sum is 30.

The square root of 1311282534 is about 36211.6353400395. The cubic root of 1311282534 is about 1094.5411459170.

The spelling of 1311282534 in words is "one billion, three hundred eleven million, two hundred eighty-two thousand, five hundred thirty-four".