31513144523034 has 32 divisors (see below), whose sum is σ = 63346838716800. Its totient is φ = 10450962954432.

The previous prime is 31513144523033. The next prime is 31513144523141. The reversal of 31513144523034 is 43032544131513.

It is a junction number, because it is equal to n+sod(n) for n = 31513144522983 and 31513144523001.

It is not an unprimeable number, because it can be changed into a prime (31513144523033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19140904 + ... + 20721980.

It is an arithmetic number, because the mean of its divisors is an integer number (1979588709900).

Almost surely, 2^{31513144523034} is an apocalyptic number.

31513144523034 is an abundant number, since it is smaller than the sum of its proper divisors (31833694193766).

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

31513144523034 is a wasteful number, since it uses less digits than its factorization.

31513144523034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597974.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 31513144523034 its reverse (43032544131513), we get a palindrome (74545688654547).

The spelling of 31513144523034 in words is "thirty-one trillion, five hundred thirteen billion, one hundred forty-four million, five hundred twenty-three thousand, thirty-four".