1202313001 has 4 divisors (see below), whose sum is σ = 1243772100. Its totient is φ = 1160853904.

The previous prime is 1202312977. The next prime is 1202313011. The reversal of 1202313001 is 1003132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1003132021 = 4231 ⋅237091.

It can be written as a sum of positive squares in 2 ways, for example, as 246019225 + 956293776 = 15685^2 + 30924^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202313001 - 2⁷ = 1202312873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202313011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20729506 + ... + 20729563.

It is an arithmetic number, because the mean of its divisors is an integer number (310943025).

Almost surely, 2^1202313001 is an apocalyptic number.

It is an amenable number.

1202313001 is a deficient number, since it is larger than the sum of its proper divisors (41459099).

1202313001 is an equidigital number, since it uses as much as digits as its factorization.

1202313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41459098.

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

The square root of 1202313001 is about 34674.3853730675. The cubic root of 1202313001 is about 1063.3408894052.

Adding to 1202313001 its reverse (1003132021), we get a palindrome (2205445022).

The spelling of 1202313001 in words is "one billion, two hundred two million, three hundred thirteen thousand, one".