1220334031 has 8 divisors (see below), whose sum is σ = 1395004544. Its totient is φ = 1045747800.

The previous prime is 1220334019. The next prime is 1220334043. The reversal of 1220334031 is 1304330221.

It is an interprime number because it is at equal distance from previous prime (1220334019) and next prime (1220334043).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220334031 - 2¹³ = 1220325839 is a prime.

It is a super-2 number, since 2×1220334031² = 2978430294433417922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220332031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13816 + ... + 51298.

It is an arithmetic number, because the mean of its divisors is an integer number (174375568).

Almost surely, 2^1220334031 is an apocalyptic number.

1220334031 is a deficient number, since it is larger than the sum of its proper divisors (174670513).

1220334031 is an equidigital number, since it uses as much as digits as its factorization.

1220334031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42141.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220334031 is about 34933.2797057476. The cubic root of 1220334031 is about 1068.6272409370.

Adding to 1220334031 its reverse (1304330221), we get a palindrome (2524664252).

The spelling of 1220334031 in words is "one billion, two hundred twenty million, three hundred thirty-four thousand, thirty-one".