1310201001 has 10 divisors (see below), whose sum is σ = 1957213962. Its totient is φ = 873467280.

The previous prime is 1310200979. The next prime is 1310201021. The reversal of 1310201001 is 1001020131.

It can be written as a sum of positive squares in only one way, i.e., 1292762025 + 17438976 = 35955^2 + 4176^2 .

It is not a de Polignac number, because 1310201001 - 2⁷ = 1310200873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1310201021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8087580 + ... + 8087741.

Almost surely, 2^1310201001 is an apocalyptic number.

It is an amenable number.

1310201001 is a deficient number, since it is larger than the sum of its proper divisors (647012961).

1310201001 is an equidigital number, since it uses as much as digits as its factorization.

1310201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16175333 (or 16175324 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1310201001 is about 36196.6987583122. The cubic root of 1310201001 is about 1094.2401408717.

Adding to 1310201001 its reverse (1001020131), we get a palindrome (2311221132).

The spelling of 1310201001 in words is "one billion, three hundred ten million, two hundred one thousand, one".