4220312220431 has 4 divisors (see below), whose sum is σ = 4232835402432. Its totient is φ = 4207789038432.

The previous prime is 4220312220401. The next prime is 4220312220473. The reversal of 4220312220431 is 1340222130224.

4220312220431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4220312220431 - 2²² = 4220308026127 is a prime.

It is a super-2 number, since 2×4220312220431² (a number of 26 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 4220312220431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220312220401) 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, 6261590495 + ... + 6261591168.

It is an arithmetic number, because the mean of its divisors is an integer number (1058208850608).

Almost surely, 2^{4220312220431} is an apocalyptic number.

4220312220431 is a deficient number, since it is larger than the sum of its proper divisors (12523182001).

4220312220431 is a wasteful number, since it uses less digits than its factorization.

4220312220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523182000.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4220312220431 its reverse (1340222130224), we get a palindrome (5560534350655).

It can be divided in two parts, 422031 and 2220431, that added together give a palindrome (2642462).

The spelling of 4220312220431 in words is "four trillion, two hundred twenty billion, three hundred twelve million, two hundred twenty thousand, four hundred thirty-one".