34223131 has 4 divisors (see below), whose sum is σ = 34733992. Its totient is φ = 33712272.

The previous prime is 34223099. The next prime is 34223153. The reversal of 34223131 is 13132243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13132243 = 43 ⋅305401.

It is a cyclic number.

It is not a de Polignac number, because 34223131 - 2⁵ = 34223099 is a prime.

It is a super-2 number, since 2×34223131² = 2342445390886322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34223099 and 34223108.

It is not an unprimeable number, because it can be changed into a prime (34226131) 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, 255330 + ... + 255463.

It is an arithmetic number, because the mean of its divisors is an integer number (8683498).

Almost surely, 2^34223131 is an apocalyptic number.

34223131 is a deficient number, since it is larger than the sum of its proper divisors (510861).

34223131 is an equidigital number, since it uses as much as digits as its factorization.

34223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510860.

The product of its digits is 432, while the sum is 19.

The square root of 34223131 is about 5850.0539313753. The cubic root of 34223131 is about 324.6683196052.

Adding to 34223131 its reverse (13132243), we get a palindrome (47355374).

The spelling of 34223131 in words is "thirty-four million, two hundred twenty-three thousand, one hundred thirty-one".