31114434 has 16 divisors (see below), whose sum is σ = 67015872. Its totient is φ = 9573648.

The previous prime is 31114429. The next prime is 31114441. The reversal of 31114434 is 43441113.

It is a self number, because there is not a number n which added to its sum of digits gives 31114434.

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, 199374 + ... + 199529.

It is an arithmetic number, because the mean of its divisors is an integer number (4188492).

Almost surely, 2^31114434 is an apocalyptic number.

31114434 is an abundant number, since it is smaller than the sum of its proper divisors (35901438).

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

31114434 is a wasteful number, since it uses less digits than its factorization.

31114434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398921.

The product of its digits is 576, while the sum is 21.

The square root of 31114434 is about 5578.0313731638. The cubic root of 31114434 is about 314.5241290317.

Adding to 31114434 its reverse (43441113), we get a palindrome (74555547).

The spelling of 31114434 in words is "thirty-one million, one hundred fourteen thousand, four hundred thirty-four".