1313211201001 has 8 divisors (see below), whose sum is σ = 1502224674944. Its totient is φ = 1124550695520.

The previous prime is 1313211200927. The next prime is 1313211201007. The reversal of 1313211201001 is 1001021123131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1313211201001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313211201007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88234140 + ... + 88249021.

It is an arithmetic number, because the mean of its divisors is an integer number (187778084368).

Almost surely, 2^{1313211201001} is an apocalyptic number.

It is an amenable number.

1313211201001 is a deficient number, since it is larger than the sum of its proper divisors (189013473943).

1313211201001 is a wasteful number, since it uses less digits than its factorization.

1313211201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176484231.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1313211201001 its reverse (1001021123131), we get a palindrome (2314232324132).

The spelling of 1313211201001 in words is "one trillion, three hundred thirteen billion, two hundred eleven million, two hundred one thousand, one".