1322042402231 has 4 divisors (see below), whose sum is σ = 1322257970472. Its totient is φ = 1321826833992.

The previous prime is 1322042402141. The next prime is 1322042402249.

1322042402231 is nontrivially palindromic in base 10.

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-1322042402231 is a prime.

It is a super-2 number, since 2×1322042402231² (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 1322042402231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322042402731) 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, 107774921 + ... + 107787186.

It is an arithmetic number, because the mean of its divisors is an integer number (330564492618).

Almost surely, 2^{1322042402231} is an apocalyptic number.

1322042402231 is a deficient number, since it is larger than the sum of its proper divisors (215568241).

1322042402231 is an equidigital number, since it uses as much as digits as its factorization.

1322042402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215568240.

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

The spelling of 1322042402231 in words is "one trillion, three hundred twenty-two billion, forty-two million, four hundred two thousand, two hundred thirty-one".