1310212133 has 2 divisors, whose sum is σ = 1310212134. Its totient is φ = 1310212132.

The previous prime is 1310212129. The next prime is 1310212157. The reversal of 1310212133 is 3312120131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682358884 + 627853249 = 26122^2 + 25057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310212133 - 2² = 1310212129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310212433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655106066 + 655106067.

It is an arithmetic number, because the mean of its divisors is an integer number (655106067).

Almost surely, 2^1310212133 is an apocalyptic number.

It is an amenable number.

1310212133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310212133 is an equidigital number, since it uses as much as digits as its factorization.

1310212133 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 1310212133 is about 36196.8525289147. The cubic root of 1310212133 is about 1094.2432398992.

Adding to 1310212133 its reverse (3312120131), we get a palindrome (4622332264).

The spelling of 1310212133 in words is "one billion, three hundred ten million, two hundred twelve thousand, one hundred thirty-three".