3140223491 has 4 divisors (see below), whose sum is σ = 3140335632. Its totient is φ = 3140111352.

The previous prime is 3140223473. The next prime is 3140223503. The reversal of 3140223491 is 1943220413.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3140223491 - 2¹⁰ = 3140222467 is a prime.

It is a super-2 number, since 2×3140223491² = 19722007146856454162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3140223431) 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, 25181 + ... + 83153.

It is an arithmetic number, because the mean of its divisors is an integer number (785083908).

Almost surely, 2^3140223491 is an apocalyptic number.

3140223491 is a deficient number, since it is larger than the sum of its proper divisors (112141).

3140223491 is an equidigital number, since it uses as much as digits as its factorization.

3140223491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112140.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3140223491 is about 56037.6970529661. The cubic root of 3140223491 is about 1464.3790914818.

The spelling of 3140223491 in words is "three billion, one hundred forty million, two hundred twenty-three thousand, four hundred ninety-one".