731212002011 has 4 divisors (see below), whose sum is σ = 731223304224. Its totient is φ = 731200699800.

The previous prime is 731212002007. The next prime is 731212002113. The reversal of 731212002011 is 110200212137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 731212002011 - 2² = 731212002007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731212002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553500 + ... + 5683641.

It is an arithmetic number, because the mean of its divisors is an integer number (182805826056).

Almost surely, 2^731212002011 is an apocalyptic number.

731212002011 is a deficient number, since it is larger than the sum of its proper divisors (11302213).

731212002011 is a wasteful number, since it uses less digits than its factorization.

731212002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302212.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 731212002011 its reverse (110200212137), we get a palindrome (841412214148).

The spelling of 731212002011 in words is "seven hundred thirty-one billion, two hundred twelve million, two thousand, eleven".