31430014 has 32 divisors (see below), whose sum is σ = 59040000. Its totient is φ = 12191040.

The previous prime is 31430011. The next prime is 31430017. The reversal of 31430014 is 41003413.

It is an interprime number because it is at equal distance from previous prime (31430011) and next prime (31430017).

It is a self number, because there is not a number n which added to its sum of digits gives 31430014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62737 + ... + 63235.

It is an arithmetic number, because the mean of its divisors is an integer number (1845000).

Almost surely, 2^31430014 is an apocalyptic number.

31430014 is a deficient number, since it is larger than the sum of its proper divisors (27609986).

31430014 is a wasteful number, since it uses less digits than its factorization.

31430014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31430014 is about 5606.2477647710. The cubic root of 31430014 is about 315.5839139932.

Adding to 31430014 its reverse (41003413), we get a palindrome (72433427).

The spelling of 31430014 in words is "thirty-one million, four hundred thirty thousand, fourteen".