34312631 has 4 divisors (see below), whose sum is σ = 34326264. Its totient is φ = 34299000.

The previous prime is 34312627. The next prime is 34312637. The reversal of 34312631 is 13621343.

34312631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34312631 - 2² = 34312627 is a prime.

It is a super-2 number, since 2×34312631² = 2354713292284322, 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 = 34312597 and 34312606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820 + ... + 8481.

It is an arithmetic number, because the mean of its divisors is an integer number (8581566).

Almost surely, 2^34312631 is an apocalyptic number.

34312631 is a deficient number, since it is larger than the sum of its proper divisors (13633).

34312631 is a wasteful number, since it uses less digits than its factorization.

34312631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13632.

The product of its digits is 1296, while the sum is 23.

The square root of 34312631 is about 5857.6984388068. The cubic root of 34312631 is about 324.9510963892.

Adding to 34312631 its reverse (13621343), we get a palindrome (47933974).

It can be divided in two parts, 34312 and 631, that added together give a palindrome (34943).

The spelling of 34312631 in words is "thirty-four million, three hundred twelve thousand, six hundred thirty-one".