34313520 has 40 divisors (see below), whose sum is σ = 106372656. Its totient is φ = 9150208.

The previous prime is 34313491. The next prime is 34313551. The reversal of 34313520 is 2531343.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71247 + ... + 71726.

Almost surely, 2^34313520 is an apocalyptic number.

34313520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34313520 is an abundant number, since it is smaller than the sum of its proper divisors (72059136).

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

34313520 is a wasteful number, since it uses less digits than its factorization.

34313520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142989 (or 142983 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 34313520 is about 5857.7743213613. The cubic root of 34313520 is about 324.9539027322.

Adding to 34313520 its reverse (2531343), we get a palindrome (36844863).

The spelling of 34313520 in words is "thirty-four million, three hundred thirteen thousand, five hundred twenty".