1420224210431 has 4 divisors (see below), whose sum is σ = 1529472226632. Its totient is φ = 1310976194232.

The previous prime is 1420224210409. The next prime is 1420224210437. The reversal of 1420224210431 is 1340124220241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420224210431 is a prime.

It is a super-2 number, since 2×1420224210431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420224210431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420224210437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54624008081 + ... + 54624008106.

It is an arithmetic number, because the mean of its divisors is an integer number (382368056658).

Almost surely, 2^{1420224210431} is an apocalyptic number.

1420224210431 is a deficient number, since it is larger than the sum of its proper divisors (109248016201).

1420224210431 is a wasteful number, since it uses less digits than its factorization.

1420224210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109248016200.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1420224210431 its reverse (1340124220241), we get a palindrome (2760348430672).

The spelling of 1420224210431 in words is "one trillion, four hundred twenty billion, two hundred twenty-four million, two hundred ten thousand, four hundred thirty-one".