34213131 has 16 divisors (see below), whose sum is σ = 51519520. Its totient is φ = 22433760.

The previous prime is 34213117. The next prime is 34213141. The reversal of 34213131 is 13131243.

It is not a de Polignac number, because 34213131 - 2⁵ = 34213099 is a prime.

It is a super-2 number, since 2×34213131² = 2341076665646322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34213141) 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, 8740 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (3219970).

Almost surely, 2^34213131 is an apocalyptic number.

34213131 is a deficient number, since it is larger than the sum of its proper divisors (17306389).

34213131 is a wasteful number, since it uses less digits than its factorization.

34213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20843 (or 20837 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 34213131 is about 5849.1991759556. The cubic root of 34213131 is about 324.6366938268.

Adding to 34213131 its reverse (13131243), we get a palindrome (47344374).

The spelling of 34213131 in words is "thirty-four million, two hundred thirteen thousand, one hundred thirty-one".