731012021012002 has 8 divisors (see below), whose sum is σ = 1108838458838700. Its totient is φ = 361399201399104.

The previous prime is 731012021011969. The next prime is 731012021012029. The reversal of 731012021012002 is 200210120210137.

It can be written as a sum of positive squares in 2 ways, for example, as 730927938991041 + 84082020961 = 27035679^2 + 289969^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053404553227 + ... + 2053404553582.

Almost surely, 2^{731012021012002} is an apocalyptic number.

731012021012002 is a deficient number, since it is larger than the sum of its proper divisors (377826437826698).

731012021012002 is a wasteful number, since it uses less digits than its factorization.

731012021012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106809106900.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 731012021012002 its reverse (200210120210137), we get a palindrome (931222141222139).

The spelling of 731012021012002 in words is "seven hundred thirty-one trillion, twelve billion, twenty-one million, twelve thousand, two".