31004034453440 has 112 divisors (see below), whose sum is σ = 77436990029952. Its totient is φ = 11809702158336.

The previous prime is 31004034453419. The next prime is 31004034453443. The reversal of 31004034453440 is 4435443040013.

It is a happy number.

31004034453440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31004034453440² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31004034453440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31004034453443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27300797 + ... + 28413756.

It is an arithmetic number, because the mean of its divisors is an integer number (691401696696).

Almost surely, 2^{31004034453440} is an apocalyptic number.

It is an amenable number.

31004034453440 is an abundant number, since it is smaller than the sum of its proper divisors (46432955576512).

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

31004034453440 is a wasteful number, since it uses less digits than its factorization.

31004034453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55714654 (or 55714644 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 31004034453440 its reverse (4435443040013), we get a palindrome (35439477493453).

The spelling of 31004034453440 in words is "thirty-one trillion, four billion, thirty-four million, four hundred fifty-three thousand, four hundred forty".