31426550630201 has 4 divisors (see below), whose sum is σ = 31427732239332. Its totient is φ = 31425369021072.

The previous prime is 31426550630179. The next prime is 31426550630297. The reversal of 31426550630201 is 10203605562413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22348688953600 + 9077861676601 = 4727440^2 + 3012949^2 .

It is a cyclic number.

It is not a de Polignac number, because 31426550630201 - 2²² = 31426546435897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31426550633201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590764670 + ... + 590817863.

It is an arithmetic number, because the mean of its divisors is an integer number (7856933059833).

Almost surely, 2^{31426550630201} is an apocalyptic number.

It is an amenable number.

31426550630201 is a deficient number, since it is larger than the sum of its proper divisors (1181609131).

31426550630201 is a wasteful number, since it uses less digits than its factorization.

31426550630201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181609130.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 31426550630201 in words is "thirty-one trillion, four hundred twenty-six billion, five hundred fifty million, six hundred thirty thousand, two hundred one".