1232221031331 has 16 divisors (see below), whose sum is σ = 1670216648448. Its totient is φ = 807960780000.

The previous prime is 1232221031317. The next prime is 1232221031351. The reversal of 1232221031331 is 1331301222321.

It is not a de Polignac number, because 1232221031331 - 2¹¹ = 1232221029283 is a prime.

It is a super-2 number, since 2×1232221031331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232221031351) 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, 13420261 + ... + 13511766.

It is an arithmetic number, because the mean of its divisors is an integer number (104388540528).

Almost surely, 2^{1232221031331} is an apocalyptic number.

1232221031331 is a deficient number, since it is larger than the sum of its proper divisors (437995617117).

1232221031331 is a wasteful number, since it uses less digits than its factorization.

1232221031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26932282.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1232221031331 its reverse (1331301222321), we get a palindrome (2563522253652).

The spelling of 1232221031331 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-one million, thirty-one thousand, three hundred thirty-one".