1013440311 has 12 divisors (see below), whose sum is σ = 1576462888. Its totient is φ = 623655504.

The previous prime is 1013440303. The next prime is 1013440321. The reversal of 1013440311 is 1130443101.

1013440311 is a `hidden beast` number, since 10 + 1 + 344 + 0 + 311 = 666.

It is not a de Polignac number, because 1013440311 - 2³ = 1013440303 is a prime.

It is a super-2 number, since 2×1013440311² = 2054122527919553442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013440301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4330825 + ... + 4331058.

Almost surely, 2^1013440311 is an apocalyptic number.

1013440311 is a deficient number, since it is larger than the sum of its proper divisors (563022577).

1013440311 is a wasteful number, since it uses less digits than its factorization.

1013440311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661902 (or 8661899 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1013440311 is about 31834.5772863407. The cubic root of 1013440311 is about 1004.4601808774.

Adding to 1013440311 its reverse (1130443101), we get a palindrome (2143883412).

The spelling of 1013440311 in words is "one billion, thirteen million, four hundred forty thousand, three hundred eleven".