1213332031 has 2 divisors, whose sum is σ = 1213332032. Its totient is φ = 1213332030.

The previous prime is 1213332023. The next prime is 1213332037. The reversal of 1213332031 is 1302333121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213332031 - 2³ = 1213332023 is a prime.

It is a super-2 number, since 2×1213332031² = 2944349234901169922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213332037) 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, 606666015 + 606666016.

It is an arithmetic number, because the mean of its divisors is an integer number (606666016).

Almost surely, 2^1213332031 is an apocalyptic number.

1213332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213332031 is an equidigital number, since it uses as much as digits as its factorization.

1213332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1213332031 is about 34832.9159129694. The cubic root of 1213332031 is about 1066.5794724407.

Adding to 1213332031 its reverse (1302333121), we get a palindrome (2515665152).

The spelling of 1213332031 in words is "one billion, two hundred thirteen million, three hundred thirty-two thousand, thirty-one".