1123201332031 has 2 divisors, whose sum is σ = 1123201332032. Its totient is φ = 1123201332030.

The previous prime is 1123201331981. The next prime is 1123201332049. The reversal of 1123201332031 is 1302331023211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123201332031 - 2⁹ = 1123201331519 is a prime.

It is a super-2 number, since 2×1123201332031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123201331993 and 1123201332011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123201332091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561600666015 + 561600666016.

It is an arithmetic number, because the mean of its divisors is an integer number (561600666016).

Almost surely, 2^{1123201332031} is an apocalyptic number.

1123201332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123201332031 is an equidigital number, since it uses as much as digits as its factorization.

1123201332031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123201332031 its reverse (1302331023211), we get a palindrome (2425532355242).

The spelling of 1123201332031 in words is "one trillion, one hundred twenty-three billion, two hundred one million, three hundred thirty-two thousand, thirty-one".