3085423291 has 4 divisors (see below), whose sum is σ = 3088902672. Its totient is φ = 3081943912.

The previous prime is 3085423213. The next prime is 3085423301. The reversal of 3085423291 is 1923245803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1923245803 = 541 ⋅3554983.

It is a cyclic number.

It is not a de Polignac number, because 3085423291 - 2¹⁵ = 3085390523 is a prime.

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 3085423291.

It is not an unprimeable number, because it can be changed into a prime (3085423391) 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, 1738360 + ... + 1740133.

It is an arithmetic number, because the mean of its divisors is an integer number (772225668).

Almost surely, 2^3085423291 is an apocalyptic number.

3085423291 is a deficient number, since it is larger than the sum of its proper divisors (3479381).

3085423291 is an equidigital number, since it uses as much as digits as its factorization.

3085423291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479380.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 3085423291 is about 55546.5866728101. The cubic root of 3085423291 is about 1455.8107361954.

It can be divided in two parts, 30854 and 23291, that added together give a palindrome (54145).

The spelling of 3085423291 in words is "three billion, eighty-five million, four hundred twenty-three thousand, two hundred ninety-one".