2231911353 has 16 divisors (see below), whose sum is σ = 3404994560. Its totient is φ = 1273882896.

The previous prime is 2231911349. The next prime is 2231911387. The reversal of 2231911353 is 3531191322.

It is not a de Polignac number, because 2231911353 - 2² = 2231911349 is a prime.

It is a super-3 number, since 3×2231911353³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231911353.

It is not an unprimeable number, because it can be changed into a prime (2231911393) 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, 43825 + ... + 79902.

It is an arithmetic number, because the mean of its divisors is an integer number (212812160).

Almost surely, 2^2231911353 is an apocalyptic number.

It is an amenable number.

2231911353 is a deficient number, since it is larger than the sum of its proper divisors (1173083207).

2231911353 is a wasteful number, since it uses less digits than its factorization.

2231911353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124596.

The product of its digits is 4860, while the sum is 30.

The square root of 2231911353 is about 47243.1090530672. The cubic root of 2231911353 is about 1306.8497138384.

The spelling of 2231911353 in words is "two billion, two hundred thirty-one million, nine hundred eleven thousand, three hundred fifty-three".