31313011134 has 32 divisors (see below), whose sum is σ = 63499839264. Its totient is φ = 10292106240.

The previous prime is 31313011033. The next prime is 31313011189. The reversal of 31313011134 is 43111031313.

It is a super-3 number, since 3×31313011134³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31313011134.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2613702 + ... + 2625654.

It is an arithmetic number, because the mean of its divisors is an integer number (1984369977).

Almost surely, 2^31313011134 is an apocalyptic number.

31313011134 is an abundant number, since it is smaller than the sum of its proper divisors (32186828130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31313011134 is a wasteful number, since it uses less digits than its factorization.

31313011134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31313011134 its reverse (43111031313), we get a palindrome (74424042447).

The spelling of 31313011134 in words is "thirty-one billion, three hundred thirteen million, eleven thousand, one hundred thirty-four".