1322101231 has 4 divisors (see below), whose sum is σ = 1442292264. Its totient is φ = 1201910200.

The previous prime is 1322101219. The next prime is 1322101241. The reversal of 1322101231 is 1321012231.

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 1322101231 - 2¹⁵ = 1322068463 is a prime.

It is a super-2 number, since 2×1322101231² = 3495903330023430722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322101241) 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, 60095500 + ... + 60095521.

It is an arithmetic number, because the mean of its divisors is an integer number (360573066).

Almost surely, 2^1322101231 is an apocalyptic number.

1322101231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322101231 is a deficient number, since it is larger than the sum of its proper divisors (120191033).

1322101231 is a wasteful number, since it uses less digits than its factorization.

1322101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120191032.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1322101231 is about 36360.7099903178. The cubic root of 1322101231 is about 1097.5430648156.

Adding to 1322101231 its reverse (1321012231), we get a palindrome (2643113462).

The spelling of 1322101231 in words is "one billion, three hundred twenty-two million, one hundred one thousand, two hundred thirty-one".