31541034 has 16 divisors (see below), whose sum is σ = 72093888. Its totient is φ = 9011712.

The previous prime is 31541021. The next prime is 31541039. The reversal of 31541034 is 43014513.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31541034.

It is not an unprimeable number, because it can be changed into a prime (31541039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375447 + ... + 375530.

It is an arithmetic number, because the mean of its divisors is an integer number (4505868).

Almost surely, 2^31541034 is an apocalyptic number.

31541034 is an abundant number, since it is smaller than the sum of its proper divisors (40552854).

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

31541034 is a wasteful number, since it uses less digits than its factorization.

31541034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750989.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 31541034 is about 5616.1404896957. The cubic root of 31541034 is about 315.9550555638.

Adding to 31541034 its reverse (43014513), we get a palindrome (74555547).

The spelling of 31541034 in words is "thirty-one million, five hundred forty-one thousand, thirty-four".