1081337013 has 16 divisors (see below), whose sum is σ = 1603492800. Its totient is φ = 720210960.

The previous prime is 1081336979. The next prime is 1081337021. The reversal of 1081337013 is 3107331801.

It is not a de Polignac number, because 1081337013 - 2²⁰ = 1080288437 is a prime.

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 (1081336013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11103 + ... + 47811.

It is an arithmetic number, because the mean of its divisors is an integer number (100218300).

Almost surely, 2^1081337013 is an apocalyptic number.

It is an amenable number.

1081337013 is a deficient number, since it is larger than the sum of its proper divisors (522155787).

1081337013 is a wasteful number, since it uses less digits than its factorization.

1081337013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37809 (or 37803 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1081337013 is about 32883.6891634743. The cubic root of 1081337013 is about 1026.4087749087.

Adding to 1081337013 its reverse (3107331801), we get a palindrome (4188668814).

The spelling of 1081337013 in words is "one billion, eighty-one million, three hundred thirty-seven thousand, thirteen".