31040214 has 16 divisors (see below), whose sum is σ = 62166720. Its totient is φ = 10332360.

The previous prime is 31040209. The next prime is 31040231. The reversal of 31040214 is 41204013.

It is a junction number, because it is equal to n+sod(n) for n = 31040193 and 31040202.

It is a congruent number.

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, 1677 + ... + 8055.

It is an arithmetic number, because the mean of its divisors is an integer number (3885420).

Almost surely, 2^31040214 is an apocalyptic number.

31040214 is an abundant number, since it is smaller than the sum of its proper divisors (31126506).

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

31040214 is a wasteful number, since it uses less digits than its factorization.

31040214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31040214 is about 5571.3745162213. The cubic root of 31040214 is about 314.2738425464.

Adding to 31040214 its reverse (41204013), we get a palindrome (72244227).

The spelling of 31040214 in words is "thirty-one million, forty thousand, two hundred fourteen".