31313045174 has 8 divisors (see below), whose sum is σ = 47408536008. Its totient is φ = 15510199840.

The previous prime is 31313045173. The next prime is 31313045213. The reversal of 31313045174 is 47154031313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31313045174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313045173) 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 in 3 ways as a sum of consecutive naturals, for example, 73161107 + ... + 73161534.

It is an arithmetic number, because the mean of its divisors is an integer number (5926067001).

Almost surely, 2^31313045174 is an apocalyptic number.

31313045174 is a deficient number, since it is larger than the sum of its proper divisors (16095490834).

31313045174 is a wasteful number, since it uses less digits than its factorization.

31313045174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146322750.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 31313045174 its reverse (47154031313), we get a palindrome (78467076487).

The spelling of 31313045174 in words is "thirty-one billion, three hundred thirteen million, forty-five thousand, one hundred seventy-four".