2013731351 has 4 divisors (see below), whose sum is σ = 2101284912. Its totient is φ = 1926177792.

The previous prime is 2013731281. The next prime is 2013731371. The reversal of 2013731351 is 1531373102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013731351 - 2¹⁸ = 2013469207 is a prime.

It is a super-2 number, since 2×2013731351² = 8110227908000570402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013731351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013731371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43776746 + ... + 43776791.

It is an arithmetic number, because the mean of its divisors is an integer number (525321228).

Almost surely, 2^2013731351 is an apocalyptic number.

2013731351 is a deficient number, since it is larger than the sum of its proper divisors (87553561).

2013731351 is an equidigital number, since it uses as much as digits as its factorization.

2013731351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87553560.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2013731351 is about 44874.6181153667. The cubic root of 2013731351 is about 1262.7978791415.

The spelling of 2013731351 in words is "two billion, thirteen million, seven hundred thirty-one thousand, three hundred fifty-one".