31422001441 has 2 divisors, whose sum is σ = 31422001442. Its totient is φ = 31422001440.

The previous prime is 31422001421. The next prime is 31422001447. The reversal of 31422001441 is 14410022413.

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., 31350243600 + 71757841 = 177060^2 + 8471^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422001441 - 2⁷ = 31422001313 is a prime.

It is not a weakly prime, because it can be changed into another prime (31422001447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711000720 + 15711000721.

It is an arithmetic number, because the mean of its divisors is an integer number (15711000721).

Almost surely, 2^31422001441 is an apocalyptic number.

It is an amenable number.

31422001441 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422001441 is an equidigital number, since it uses as much as digits as its factorization.

31422001441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31422001441 its reverse (14410022413), we get a palindrome (45832023854).

The spelling of 31422001441 in words is "thirty-one billion, four hundred twenty-two million, one thousand, four hundred forty-one".