31404411043 has 2 divisors, whose sum is σ = 31404411044. Its totient is φ = 31404411042.

The previous prime is 31404411037. The next prime is 31404411047. The reversal of 31404411043 is 34011440413.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31404411043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31404410999 and 31404411017.

It is not a weakly prime, because it can be changed into another prime (31404411047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15702205521 + 15702205522.

It is an arithmetic number, because the mean of its divisors is an integer number (15702205522).

Almost surely, 2^31404411043 is an apocalyptic number.

31404411043 is a deficient number, since it is larger than the sum of its proper divisors (1).

31404411043 is an equidigital number, since it uses as much as digits as its factorization.

31404411043 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 25.

Adding to 31404411043 its reverse (34011440413), we get a palindrome (65415851456).

The spelling of 31404411043 in words is "thirty-one billion, four hundred four million, four hundred eleven thousand, forty-three".