1214422031 has 4 divisors (see below), whose sum is σ = 1278339000. Its totient is φ = 1150505064.

The previous prime is 1214421991. The next prime is 1214422043. The reversal of 1214422031 is 1302244121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302244121 = 43 ⋅30284747.

It is a cyclic number.

It is not a de Polignac number, because 1214422031 - 2¹⁸ = 1214159887 is a prime.

It is a super-2 number, since 2×1214422031² = 2949641738756329922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214421994 and 1214422012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244422031) 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 3 ways as a sum of consecutive naturals, for example, 31958456 + ... + 31958493.

It is an arithmetic number, because the mean of its divisors is an integer number (319584750).

Almost surely, 2^1214422031 is an apocalyptic number.

1214422031 is a deficient number, since it is larger than the sum of its proper divisors (63916969).

1214422031 is an equidigital number, since it uses as much as digits as its factorization.

1214422031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63916968.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1214422031 is about 34848.5585211211. The cubic root of 1214422031 is about 1066.8987649992.

Adding to 1214422031 its reverse (1302244121), we get a palindrome (2516666152).

The spelling of 1214422031 in words is "one billion, two hundred fourteen million, four hundred twenty-two thousand, thirty-one".