9990311201 has 8 divisors (see below), whose sum is σ = 10762354344. Its totient is φ = 9218776320.

The previous prime is 9990311197. The next prime is 9990311213. The reversal of 9990311201 is 1021130999.

It can be written as a sum of positive squares in 4 ways, for example, as 4462240000 + 5528071201 = 66800^2 + 74351^2 .

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

It is not a de Polignac number, because 9990311201 - 2² = 9990311197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9990311291) 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, 85736 + ... + 165321.

It is an arithmetic number, because the mean of its divisors is an integer number (1345294293).

Almost surely, 2^9990311201 is an apocalyptic number.

It is an amenable number.

9990311201 is a deficient number, since it is larger than the sum of its proper divisors (772043143).

9990311201 is a wasteful number, since it uses less digits than its factorization.

9990311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254131.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 9990311201 is about 99951.5442652088. The cubic root of 9990311201 is about 2153.7386690409.

The spelling of 9990311201 in words is "nine billion, nine hundred ninety million, three hundred eleven thousand, two hundred one".