31011434431304 has 128 divisors (see below), whose sum is σ = 62053331558400. Its totient is φ = 14502970460160.

The previous prime is 31011434431303. The next prime is 31011434431339. The reversal of 31011434431304 is 40313443411013.

It is not an unprimeable number, because it can be changed into a prime (31011434431303) 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 31 ways as a sum of consecutive naturals, for example, 2483491349 + ... + 2483503835.

It is an arithmetic number, because the mean of its divisors is an integer number (484791652800).

Almost surely, 2^{31011434431304} is an apocalyptic number.

It is an amenable number.

31011434431304 is an abundant number, since it is smaller than the sum of its proper divisors (31041897127096).

31011434431304 is a wasteful number, since it uses less digits than its factorization.

31011434431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14383 (or 14379 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31011434431304 its reverse (40313443411013), we get a palindrome (71324877842317).

The spelling of 31011434431304 in words is "thirty-one trillion, eleven billion, four hundred thirty-four million, four hundred thirty-one thousand, three hundred four".