1302231001 has 4 divisors (see below), whose sum is σ = 1316862900. Its totient is φ = 1287599104.

The previous prime is 1302230999. The next prime is 1302231011. The reversal of 1302231001 is 1001322031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1001322031 = 199 ⋅5031769.

It can be written as a sum of positive squares in 2 ways, for example, as 705699225 + 596531776 = 26565^2 + 24424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302231001 - 2¹ = 1302230999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302231011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7315816 + ... + 7315993.

It is an arithmetic number, because the mean of its divisors is an integer number (329215725).

Almost surely, 2^1302231001 is an apocalyptic number.

It is an amenable number.

1302231001 is a deficient number, since it is larger than the sum of its proper divisors (14631899).

1302231001 is an equidigital number, since it uses as much as digits as its factorization.

1302231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14631898.

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

The square root of 1302231001 is about 36086.4379095527. The cubic root of 1302231001 is about 1092.0168592284.

Adding to 1302231001 its reverse (1001322031), we get a palindrome (2303553032).

The spelling of 1302231001 in words is "one billion, three hundred two million, two hundred thirty-one thousand, one".