1302320101 has 2 divisors, whose sum is σ = 1302320102. Its totient is φ = 1302320100.

The previous prime is 1302320087. The next prime is 1302320113. The reversal of 1302320101 is 1010232031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238336100 + 63984001 = 35190^2 + 7999^2 .

It is an emirp because it is prime and its reverse (1010232031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1302320101 - 2⁵ = 1302320069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302320501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651160050 + 651160051.

It is an arithmetic number, because the mean of its divisors is an integer number (651160051).

Almost surely, 2^1302320101 is an apocalyptic number.

It is an amenable number.

1302320101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302320101 is an equidigital number, since it uses as much as digits as its factorization.

1302320101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1302320101 is about 36087.6724242504. The cubic root of 1302320101 is about 1092.0417643036.

Adding to 1302320101 its reverse (1010232031), we get a palindrome (2312552132).

It can be divided in two parts, 13023 and 20101, that added together give a square (33124 = 182²).

The spelling of 1302320101 in words is "one billion, three hundred two million, three hundred twenty thousand, one hundred one".