1330312901 has 2 divisors, whose sum is σ = 1330312902. Its totient is φ = 1330312900.

The previous prime is 1330312897. The next prime is 1330312931. The reversal of 1330312901 is 1092130331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1239110401 + 91202500 = 35201^2 + 9550^2 .

It is an emirp because it is prime and its reverse (1092130331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330312901 - 2² = 1330312897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330312931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665156450 + 665156451.

It is an arithmetic number, because the mean of its divisors is an integer number (665156451).

Almost surely, 2^1330312901 is an apocalyptic number.

It is an amenable number.

1330312901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330312901 is an equidigital number, since it uses as much as digits as its factorization.

1330312901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1330312901 is about 36473.4547445125. The cubic root of 1330312901 is about 1099.8106839485.

The spelling of 1330312901 in words is "one billion, three hundred thirty million, three hundred twelve thousand, nine hundred one".