1404220031 has 2 divisors, whose sum is σ = 1404220032. Its totient is φ = 1404220030.

The previous prime is 1404220021. The next prime is 1404220033. The reversal of 1404220031 is 1300224041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1404220031 - 2¹⁸ = 1403957887 is a prime.

It is a super-2 number, since 2×1404220031² = 3943667790923281922, which contains 22 as substring.

Together with 1404220033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404219991 and 1404220009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404220033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702110015 + 702110016.

It is an arithmetic number, because the mean of its divisors is an integer number (702110016).

Almost surely, 2^1404220031 is an apocalyptic number.

1404220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404220031 is an equidigital number, since it uses as much as digits as its factorization.

1404220031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1404220031 is about 37472.9239718493. The cubic root of 1404220031 is about 1119.8118388731.

Adding to 1404220031 its reverse (1300224041), we get a palindrome (2704444072).

The spelling of 1404220031 in words is "one billion, four hundred four million, two hundred twenty thousand, thirty-one".