34400331 has 24 divisors (see below), whose sum is σ = 56966624. Its totient is φ = 19595520.

The previous prime is 34400329. The next prime is 34400347. The reversal of 34400331 is 13300443.

It is not a de Polignac number, because 34400331 - 2¹ = 34400329 is a prime.

It is a super-2 number, since 2×34400331² = 2366765545819122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34400131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25875 + ... + 27171.

Almost surely, 2^34400331 is an apocalyptic number.

34400331 is a deficient number, since it is larger than the sum of its proper divisors (22566293).

34400331 is a wasteful number, since it uses less digits than its factorization.

34400331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 34400331 is about 5865.1795368940. The cubic root of 34400331 is about 325.2277094529.

Adding to 34400331 its reverse (13300443), we get a palindrome (47700774).

The spelling of 34400331 in words is "thirty-four million, four hundred thousand, three hundred thirty-one".