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31032300401 is a prime number
BaseRepresentation
bin11100111001101010…
…110101001101110001
32222002200202012022022
4130321222311031301
51002023232103101
622131145521225
72146003126004
oct347152651561
988080665268
1031032300401
1112184a19663
1260207a3215
132c0720133b
1417055a353b
15c1958aa1b
hex739ab5371

31032300401 has 2 divisors, whose sum is σ = 31032300402. Its totient is φ = 31032300400.

The previous prime is 31032300349. The next prime is 31032300443. The reversal of 31032300401 is 10400323013.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30807270400 + 225030001 = 175520^2 + 15001^2 .

It is an emirp because it is prime and its reverse (10400323013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31032300401 - 26 = 31032300337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31032300401.

It is not a weakly prime, because it can be changed into another prime (31032308401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516150200 + 15516150201.

It is an arithmetic number, because the mean of its divisors is an integer number (15516150201).

Almost surely, 231032300401 is an apocalyptic number.

It is an amenable number.

31032300401 is a deficient number, since it is larger than the sum of its proper divisors (1).

31032300401 is an equidigital number, since it uses as much as digits as its factorization.

31032300401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31032300401 its reverse (10400323013), we get a palindrome (41432623414).

The spelling of 31032300401 in words is "thirty-one billion, thirty-two million, three hundred thousand, four hundred one".