30631622346401 has 2 divisors, whose sum is σ = 30631622346402. Its totient is φ = 30631622346400.

The previous prime is 30631622346397. The next prime is 30631622346431. The reversal of 30631622346401 is 10464322613603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15577222346401 + 15054400000000 = 3946799^2 + 3880000^2 .

It is an emirp because it is prime and its reverse (10464322613603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30631622346401 - 2² = 30631622346397 is a prime.

It is not a weakly prime, because it can be changed into another prime (30631622346431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15315811173200 + 15315811173201.

It is an arithmetic number, because the mean of its divisors is an integer number (15315811173201).

Almost surely, 2^{30631622346401} is an apocalyptic number.

It is an amenable number.

30631622346401 is a deficient number, since it is larger than the sum of its proper divisors (1).

30631622346401 is an equidigital number, since it uses as much as digits as its factorization.

30631622346401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 30631622346401 in words is "thirty trillion, six hundred thirty-one billion, six hundred twenty-two million, three hundred forty-six thousand, four hundred one".