31481034 has 16 divisors (see below), whose sum is σ = 67805472. Its totient is φ = 9686448.

The previous prime is 31481011. The next prime is 31481039. The reversal of 31481034 is 43018413.

It is a junction number, because it is equal to n+sod(n) for n = 31480995 and 31481013.

It is not an unprimeable number, because it can be changed into a prime (31481039) 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, 201724 + ... + 201879.

It is an arithmetic number, because the mean of its divisors is an integer number (4237842).

Almost surely, 2^31481034 is an apocalyptic number.

31481034 is an abundant number, since it is smaller than the sum of its proper divisors (36324438).

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

31481034 is a wasteful number, since it uses less digits than its factorization.

31481034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403621.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 31481034 is about 5610.7962001841. The cubic root of 31481034 is about 315.7545829902.

Adding to 31481034 its reverse (43018413), we get a palindrome (74499447).

The spelling of 31481034 in words is "thirty-one million, four hundred eighty-one thousand, thirty-four".