31350041 has 2 divisors, whose sum is σ = 31350042. Its totient is φ = 31350040.

The previous prime is 31350031. The next prime is 31350043. The reversal of 31350041 is 14005313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18361225 + 12988816 = 4285^2 + 3604^2 .

It is a cyclic number.

It is not a de Polignac number, because 31350041 - 2¹⁸ = 31087897 is a prime.

Together with 31350043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31350043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15675020 + 15675021.

It is an arithmetic number, because the mean of its divisors is an integer number (15675021).

Almost surely, 2^31350041 is an apocalyptic number.

It is an amenable number.

31350041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31350041 is an equidigital number, since it uses as much as digits as its factorization.

31350041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 31350041 is about 5599.1107329647. The cubic root of 31350041 is about 315.3160211368.

Adding to 31350041 its reverse (14005313), we get a palindrome (45355354).

The spelling of 31350041 in words is "thirty-one million, three hundred fifty thousand, forty-one".