31230014433040 has 80 divisors (see below), whose sum is σ = 79754453424000. Its totient is φ = 11319986912256.

The previous prime is 31230014433011. The next prime is 31230014433049. The reversal of 31230014433040 is 4033441003213.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (31230014433049) 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, 446618565 + ... + 446688484.

It is an arithmetic number, because the mean of its divisors is an integer number (996930667800).

Almost surely, 2^{31230014433040} is an apocalyptic number.

It is an amenable number.

31230014433040 is an abundant number, since it is smaller than the sum of its proper divisors (48524438990960).

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

31230014433040 is a wasteful number, since it uses less digits than its factorization.

31230014433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893307104 (or 893307098 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31230014433040 its reverse (4033441003213), we get a palindrome (35263455436253).

The spelling of 31230014433040 in words is "thirty-one trillion, two hundred thirty billion, fourteen million, four hundred thirty-three thousand, forty".