631330623265213 has 8 divisors (see below), whose sum is σ = 669435110542080. Its totient is φ = 593333623965120.

The previous prime is 631330623265193. The next prime is 631330623265259. The reversal of 631330623265213 is 312562326033136.

It is a happy number.

631330623265213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 631330623265213 - 2²⁵ = 631330589710781 is a prime.

It is a super-2 number, since 2×631330623265213² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631330623265313) 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, 26871982093 + ... + 26872005586.

It is an arithmetic number, because the mean of its divisors is an integer number (83679388817760).

Almost surely, 2^{631330623265213} is an apocalyptic number.

It is an amenable number.

631330623265213 is a deficient number, since it is larger than the sum of its proper divisors (38104487276867).

631330623265213 is a wasteful number, since it uses less digits than its factorization.

631330623265213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53743988387.

The product of its (nonzero) digits is 2099520, while the sum is 46.

Adding to 631330623265213 its reverse (312562326033136), we get a palindrome (943892949298349).

The spelling of 631330623265213 in words is "six hundred thirty-one trillion, three hundred thirty billion, six hundred twenty-three million, two hundred sixty-five thousand, two hundred thirteen".