1332211231 has 4 divisors (see below), whose sum is σ = 1434689032. Its totient is φ = 1229733432.

The previous prime is 1332211229. The next prime is 1332211247. The reversal of 1332211231 is 1321122331.

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 1332211231 - 2¹ = 1332211229 is a prime.

It is a super-2 number, since 2×1332211231² = 3549573528005070722, 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 = 1332211199 and 1332211208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332211031) 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, 51238881 + ... + 51238906.

It is an arithmetic number, because the mean of its divisors is an integer number (358672258).

Almost surely, 2^1332211231 is an apocalyptic number.

1332211231 is a deficient number, since it is larger than the sum of its proper divisors (102477801).

1332211231 is a wasteful number, since it uses less digits than its factorization.

1332211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102477800.

The product of its digits is 216, while the sum is 19.

The square root of 1332211231 is about 36499.4689139445. The cubic root of 1332211231 is about 1100.3335712872. Note that the first 3 decimals are identical.

Adding to 1332211231 its reverse (1321122331), we get a palindrome (2653333562).

Subtracting from 1332211231 its reverse (1321122331), we obtain a square (11088900 = 3330²).

The spelling of 1332211231 in words is "one billion, three hundred thirty-two million, two hundred eleven thousand, two hundred thirty-one".