31473260057 has 4 divisors (see below), whose sum is σ = 32142903936. Its totient is φ = 30803616180.

The previous prime is 31473260051. The next prime is 31473260069. The reversal of 31473260057 is 75006237413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75006237413 = 24533 ⋅3057361.

It is a cyclic number.

It is not a de Polignac number, because 31473260057 - 2⁸ = 31473259801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31473260057.

It is not an unprimeable number, because it can be changed into a prime (31473260051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334821869 + ... + 334821962.

It is an arithmetic number, because the mean of its divisors is an integer number (8035725984).

Almost surely, 2^31473260057 is an apocalyptic number.

It is an amenable number.

31473260057 is a deficient number, since it is larger than the sum of its proper divisors (669643879).

31473260057 is an equidigital number, since it uses as much as digits as its factorization.

31473260057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669643878.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 31473260057 in words is "thirty-one billion, four hundred seventy-three million, two hundred sixty thousand, fifty-seven".