2013554431 has 16 divisors (see below), whose sum is σ = 2424924160. Its totient is φ = 1633309920.

The previous prime is 2013554399. The next prime is 2013554437. The reversal of 2013554431 is 1344553102.

It is not a de Polignac number, because 2013554431 - 2⁵ = 2013554399 is a prime.

It is a super-2 number, since 2×2013554431² = 8108802893199467522, 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 2013554431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013554437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124165 + ... + 139441.

It is an arithmetic number, because the mean of its divisors is an integer number (151557760).

Almost surely, 2^2013554431 is an apocalyptic number.

2013554431 is a deficient number, since it is larger than the sum of its proper divisors (411369729).

2013554431 is a wasteful number, since it uses less digits than its factorization.

2013554431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2013554431 is about 44872.6468018101. The cubic root of 2013554431 is about 1262.7608962633.

The spelling of 2013554431 in words is "two billion, thirteen million, five hundred fifty-four thousand, four hundred thirty-one".