1233232322131 has 2 divisors, whose sum is σ = 1233232322132. Its totient is φ = 1233232322130.

The previous prime is 1233232322129. The next prime is 1233232322143. The reversal of 1233232322131 is 1312232323321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233232322131 - 2¹ = 1233232322129 is a prime.

It is a super-2 number, since 2×1233232322131² (a number of 25 digits) contains 22 as substring.

Together with 1233232322129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1233232322131.

It is not a weakly prime, because it can be changed into another prime (1233232322431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616616161065 + 616616161066.

It is an arithmetic number, because the mean of its divisors is an integer number (616616161066).

Almost surely, 2^{1233232322131} is an apocalyptic number.

1233232322131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233232322131 is an equidigital number, since it uses as much as digits as its factorization.

1233232322131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

Adding to 1233232322131 its reverse (1312232323321), we get a palindrome (2545464645452).

The spelling of 1233232322131 in words is "one trillion, two hundred thirty-three billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred thirty-one".