31483801 has 2 divisors, whose sum is σ = 31483802. Its totient is φ = 31483800.

The previous prime is 31483799. The next prime is 31483807. The reversal of 31483801 is 10838413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 179776 = 5595^2 + 424^2 .

It is an emirp because it is prime and its reverse (10838413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31483801 - 2¹ = 31483799 is a prime.

Together with 31483799, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31483801.

It is not a weakly prime, because it can be changed into another prime (31483807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15741900 + 15741901.

It is an arithmetic number, because the mean of its divisors is an integer number (15741901).

Almost surely, 2^31483801 is an apocalyptic number.

It is an amenable number.

31483801 is a deficient number, since it is larger than the sum of its proper divisors (1).

31483801 is an equidigital number, since it uses as much as digits as its factorization.

31483801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 31483801 is about 5611.0427729612. The cubic root of 31483801 is about 315.7638337170.

The spelling of 31483801 in words is "thirty-one million, four hundred eighty-three thousand, eight hundred one".