31345214 has 4 divisors (see below), whose sum is σ = 47017824. Its totient is φ = 15672606.

The previous prime is 31345211. The next prime is 31345217. The reversal of 31345214 is 41254313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41254313 = 467 ⋅88339.

It is an interprime number because it is at equal distance from previous prime (31345211) and next prime (31345217).

It is a self number, because there is not a number n which added to its sum of digits gives 31345214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31345211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836302 + ... + 7836305.

It is an arithmetic number, because the mean of its divisors is an integer number (11754456).

Almost surely, 2^31345214 is an apocalyptic number.

31345214 is a deficient number, since it is larger than the sum of its proper divisors (15672610).

31345214 is a wasteful number, since it uses less digits than its factorization.

31345214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672609.

The product of its digits is 1440, while the sum is 23.

The square root of 31345214 is about 5598.6796657784. The cubic root of 31345214 is about 315.2998371223.

Adding to 31345214 its reverse (41254313), we get a palindrome (72599527).

Subtracting 31345214 from its reverse (41254313), we obtain a palindrome (9909099).

The spelling of 31345214 in words is "thirty-one million, three hundred forty-five thousand, two hundred fourteen".