1233131232061 has 2 divisors, whose sum is σ = 1233131232062. Its totient is φ = 1233131232060.

The previous prime is 1233131231957. The next prime is 1233131232089. The reversal of 1233131232061 is 1602321313321.

It is an a-pointer prime, because the next prime (1233131232089) can be obtained adding 1233131232061 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223435088100 + 9696143961 = 1106090^2 + 98469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233131232061 - 2¹⁷ = 1233131100989 is a prime.

It is a super-2 number, since 2×1233131232061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233131239061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616565616030 + 616565616031.

It is an arithmetic number, because the mean of its divisors is an integer number (616565616031).

Almost surely, 2^{1233131232061} is an apocalyptic number.

It is an amenable number.

1233131232061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233131232061 is an equidigital number, since it uses as much as digits as its factorization.

1233131232061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 1233131232061 its reverse (1602321313321), we get a palindrome (2835452545382).

The spelling of 1233131232061 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, sixty-one".