31117014 has 32 divisors (see below), whose sum is σ = 69502080. Its totient is φ = 10319400.

The previous prime is 31117007. The next prime is 31117049. The reversal of 31117014 is 41071113.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10029 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (2171940).

Almost surely, 2^31117014 is an apocalyptic number.

31117014 is an abundant number, since it is smaller than the sum of its proper divisors (38385066).

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

31117014 is a wasteful number, since it uses less digits than its factorization.

31117014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 31117014 is about 5578.2626327558. The cubic root of 31117014 is about 314.5328222085.

Adding to 31117014 its reverse (41071113), we get a palindrome (72188127).

The spelling of 31117014 in words is "thirty-one million, one hundred seventeen thousand, fourteen".