31040014 has 4 divisors (see below), whose sum is σ = 46560024. Its totient is φ = 15520006.

The previous prime is 31039991. The next prime is 31040017. The reversal of 31040014 is 41004013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41004013 = 541 ⋅75793.

It is a junction number, because it is equal to n+sod(n) for n = 31039976 and 31040003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7760002 + ... + 7760005.

It is an arithmetic number, because the mean of its divisors is an integer number (11640006).

Almost surely, 2^31040014 is an apocalyptic number.

31040014 is a deficient number, since it is larger than the sum of its proper divisors (15520010).

31040014 is a wasteful number, since it uses less digits than its factorization.

31040014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15520009.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 31040014 is about 5571.3565673003. The cubic root of 31040014 is about 314.2731675629.

Adding to 31040014 its reverse (41004013), we get a palindrome (72044027).

The spelling of 31040014 in words is "thirty-one million, forty thousand, fourteen".