31141222 has 32 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 12909120.

The previous prime is 31141217. The next prime is 31141223. The reversal of 31141222 is 22214113.

It is a junction number, because it is equal to n+sod(n) for n = 31141196 and 31141205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31141223) 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, 130179 + ... + 130417.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^31141222 is an apocalyptic number.

31141222 is a deficient number, since it is larger than the sum of its proper divisors (24016538).

31141222 is a wasteful number, since it uses less digits than its factorization.

31141222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its digits is 96, while the sum is 16.

The square root of 31141222 is about 5580.4320621257. The cubic root of 31141222 is about 314.6143664175.

Adding to 31141222 its reverse (22214113), we get a palindrome (53355335).

The spelling of 31141222 in words is "thirty-one million, one hundred forty-one thousand, two hundred twenty-two".