31343034 has 16 divisors (see below), whose sum is σ = 63869472. Its totient is φ = 10250448.

The previous prime is 31343023. The next prime is 31343057. The reversal of 31343034 is 43034313.

It is a self number, because there is not a number n which added to its sum of digits gives 31343034.

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, 48964 + ... + 49599.

It is an arithmetic number, because the mean of its divisors is an integer number (3991842).

Almost surely, 2^31343034 is an apocalyptic number.

31343034 is an abundant number, since it is smaller than the sum of its proper divisors (32526438).

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

31343034 is a wasteful number, since it uses less digits than its factorization.

31343034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98621.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 31343034 is about 5598.4849736335. The cubic root of 31343034 is about 315.2925274515.

Adding to 31343034 its reverse (43034313), we get a palindrome (74377347).

The spelling of 31343034 in words is "thirty-one million, three hundred forty-three thousand, thirty-four".