31313134302 has 32 divisors (see below), whose sum is σ = 63013894944. Its totient is φ = 10373184000.

The previous prime is 31313134301. The next prime is 31313134313. The reversal of 31313134302 is 20343131313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313134301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790802 + ... + 1808202.

It is an arithmetic number, because the mean of its divisors is an integer number (1969184217).

Almost surely, 2^31313134302 is an apocalyptic number.

31313134302 is an abundant number, since it is smaller than the sum of its proper divisors (31700760642).

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

31313134302 is a wasteful number, since it uses less digits than its factorization.

31313134302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19244.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31313134302 its reverse (20343131313), we get a palindrome (51656265615).

The spelling of 31313134302 in words is "thirty-one billion, three hundred thirteen million, one hundred thirty-four thousand, three hundred two".