1233101131 has 2 divisors, whose sum is σ = 1233101132. Its totient is φ = 1233101130.

The previous prime is 1233101123. The next prime is 1233101143. The reversal of 1233101131 is 1311013321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1233101131 - 2³ = 1233101123 is a prime.

It is a super-2 number, since 2×1233101131² = 3041076798546958322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1233101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616550565 + 616550566.

It is an arithmetic number, because the mean of its divisors is an integer number (616550566).

Almost surely, 2^1233101131 is an apocalyptic number.

1233101131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233101131 is an equidigital number, since it uses as much as digits as its factorization.

1233101131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1233101131 is about 35115.5397367035. The cubic root of 1233101131 is about 1072.3409692060.

Adding to 1233101131 its reverse (1311013321), we get a palindrome (2544114452).

The spelling of 1233101131 in words is "one billion, two hundred thirty-three million, one hundred one thousand, one hundred thirty-one".