331020000001 has 4 divisors (see below), whose sum is σ = 331021610752. Its totient is φ = 331018389252.

The previous prime is 331019999969. The next prime is 331020000061. The reversal of 331020000001 is 100000020133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331020000001 - 2⁵ = 331019999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331020000061) 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, 442665 + ... + 926278.

It is an arithmetic number, because the mean of its divisors is an integer number (82755402688).

Almost surely, 2^331020000001 is an apocalyptic number.

It is an amenable number.

331020000001 is a deficient number, since it is larger than the sum of its proper divisors (1610751).

331020000001 is a wasteful number, since it uses less digits than its factorization.

331020000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610750.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 331020000001 its reverse (100000020133), we get a palindrome (431020020134).

The spelling of 331020000001 in words is "three hundred thirty-one billion, twenty million, one", and thus it is an aban number.