31407410561 has 16 divisors (see below), whose sum is σ = 32155296000. Its totient is φ = 30668976000.

The previous prime is 31407410549. The next prime is 31407410579. The reversal of 31407410561 is 16501470413.

It is a cyclic number.

It is not a de Polignac number, because 31407410561 - 2⁶ = 31407410497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31407410591) 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 in 15 ways as a sum of consecutive naturals, for example, 10299365 + ... + 10302413.

It is an arithmetic number, because the mean of its divisors is an integer number (2009706000).

Almost surely, 2^31407410561 is an apocalyptic number.

It is an amenable number.

31407410561 is a deficient number, since it is larger than the sum of its proper divisors (747885439).

31407410561 is a wasteful number, since it uses less digits than its factorization.

31407410561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 31407410561 its reverse (16501470413), we get a palindrome (47908880974).

The spelling of 31407410561 in words is "thirty-one billion, four hundred seven million, four hundred ten thousand, five hundred sixty-one".