1420144431311 has 8 divisors (see below), whose sum is σ = 1506183118944. Its totient is φ = 1336130183520.

The previous prime is 1420144431259. The next prime is 1420144431323. The reversal of 1420144431311 is 1131344410241.

It is a happy number.

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 1420144431311 - 2¹⁸ = 1420144169167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420144431361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506108516 + ... + 506111321.

It is an arithmetic number, because the mean of its divisors is an integer number (188272889868).

Almost surely, 2^{1420144431311} is an apocalyptic number.

1420144431311 is a deficient number, since it is larger than the sum of its proper divisors (86038687633).

1420144431311 is a wasteful number, since it uses less digits than its factorization.

1420144431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012219921.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1420144431311 its reverse (1131344410241), we get a palindrome (2551488841552).

The spelling of 1420144431311 in words is "one trillion, four hundred twenty billion, one hundred forty-four million, four hundred thirty-one thousand, three hundred eleven".