34631320 has 16 divisors (see below), whose sum is σ = 77920560. Its totient is φ = 13852512.

The previous prime is 34631293. The next prime is 34631321. The reversal of 34631320 is 2313643.

It is a junction number, because it is equal to n+sod(n) for n = 34631291 and 34631300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34631321) 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, 432852 + ... + 432931.

It is an arithmetic number, because the mean of its divisors is an integer number (4870035).

Almost surely, 2^34631320 is an apocalyptic number.

It is an amenable number.

34631320 is an abundant number, since it is smaller than the sum of its proper divisors (43289240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34631320 is a wasteful number, since it uses less digits than its factorization.

34631320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865794 (or 865790 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 34631320 is about 5884.8381456077. The cubic root of 34631320 is about 325.9540251575.

Adding to 34631320 its reverse (2313643), we get a palindrome (36944963).

The spelling of 34631320 in words is "thirty-four million, six hundred thirty-one thousand, three hundred twenty".