31214022 has 32 divisors (see below), whose sum is σ = 71630592. Its totient is φ = 8882784.

The previous prime is 31214021. The next prime is 31214033. The reversal of 31214022 is 22041213.

It is a junction number, because it is equal to n+sod(n) for n = 31213992 and 31214010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10293 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (2238456).

Almost surely, 2^31214022 is an apocalyptic number.

31214022 is an abundant number, since it is smaller than the sum of its proper divisors (40416570).

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

31214022 is a wasteful number, since it uses less digits than its factorization.

31214022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

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

The square root of 31214022 is about 5586.9510468591. The cubic root of 31214022 is about 314.8593375496.

Adding to 31214022 its reverse (22041213), we get a palindrome (53255235).

The spelling of 31214022 in words is "thirty-one million, two hundred fourteen thousand, twenty-two".