31424044403 has 2 divisors, whose sum is σ = 31424044404. Its totient is φ = 31424044402.

The previous prime is 31424044391. The next prime is 31424044481. The reversal of 31424044403 is 30444042413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31424044403 - 2¹⁴ = 31424028019 is a prime.

It is not a weakly prime, because it can be changed into another prime (31424044703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712022201 + 15712022202.

It is an arithmetic number, because the mean of its divisors is an integer number (15712022202).

Almost surely, 2^31424044403 is an apocalyptic number.

31424044403 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424044403 is an equidigital number, since it uses as much as digits as its factorization.

31424044403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 31424044403 its reverse (30444042413), we get a palindrome (61868086816).

The spelling of 31424044403 in words is "thirty-one billion, four hundred twenty-four million, forty-four thousand, four hundred three".