31016034 has 64 divisors (see below), whose sum is σ = 79822080. Its totient is φ = 8852976.

The previous prime is 31016033. The next prime is 31016057. The reversal of 31016034 is 43061013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31015998 and 31016016.

It is not an unprimeable number, because it can be changed into a prime (31016033) 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 31 ways as a sum of consecutive naturals, for example, 30112 + ... + 31124.

It is an arithmetic number, because the mean of its divisors is an integer number (1247220).

Almost surely, 2^31016034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31016034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39911040).

31016034 is an abundant number, since it is smaller than the sum of its proper divisors (48806046).

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

31016034 is an equidigital number, since it uses as much as digits as its factorization.

31016034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 31016034 is about 5569.2040723967. The cubic root of 31016034 is about 314.1922160089.

Adding to 31016034 its reverse (43061013), we get a palindrome (74077047).

The spelling of 31016034 in words is "thirty-one million, sixteen thousand, thirty-four".