1312233011 has 2 divisors, whose sum is σ = 1312233012. Its totient is φ = 1312233010.

The previous prime is 1312233001. The next prime is 1312233031. The reversal of 1312233011 is 1103322131.

It is a weak prime.

It is an emirp because it is prime and its reverse (1103322131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312233011 - 2¹⁸ = 1311970867 is a prime.

It is a super-2 number, since 2×1312233011² = 3443910950316252242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312233001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656116505 + 656116506.

It is an arithmetic number, because the mean of its divisors is an integer number (656116506).

Almost surely, 2^1312233011 is an apocalyptic number.

1312233011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312233011 is an equidigital number, since it uses as much as digits as its factorization.

1312233011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1312233011 is about 36224.7568797915. The cubic root of 1312233011 is about 1094.8055397193.

Adding to 1312233011 its reverse (1103322131), we get a palindrome (2415555142).

The spelling of 1312233011 in words is "one billion, three hundred twelve million, two hundred thirty-three thousand, eleven".