1322023431 has 16 divisors (see below), whose sum is σ = 1837368704. Its totient is φ = 844725024.

The previous prime is 1322023429. The next prime is 1322023459. The reversal of 1322023431 is 1343202231.

It is not a de Polignac number, because 1322023431 - 2¹ = 1322023429 is a prime.

It is a super-2 number, since 2×1322023431² = 3495491904226023522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322023398 and 1322023407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322023471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81445 + ... + 96318.

It is an arithmetic number, because the mean of its divisors is an integer number (114835544).

Almost surely, 2^1322023431 is an apocalyptic number.

1322023431 is a deficient number, since it is larger than the sum of its proper divisors (515345273).

1322023431 is a wasteful number, since it uses less digits than its factorization.

1322023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177870.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1322023431 is about 36359.6401384832. The cubic root of 1322023431 is about 1097.5215358224.

Adding to 1322023431 its reverse (1343202231), we get a palindrome (2665225662).

The spelling of 1322023431 in words is "one billion, three hundred twenty-two million, twenty-three thousand, four hundred thirty-one".