13031020330 has 16 divisors (see below), whose sum is σ = 23599740384. Its totient is φ = 5180429520.

The previous prime is 13031020279. The next prime is 13031020337. The reversal of 13031020330 is 3302013031.

It is not an unprimeable number, because it can be changed into a prime (13031020337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3995616 + ... + 3998875.

It is an arithmetic number, because the mean of its divisors is an integer number (1474983774).

Almost surely, 2^13031020330 is an apocalyptic number.

13031020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031020330 is a deficient number, since it is larger than the sum of its proper divisors (10568720054).

13031020330 is a wasteful number, since it uses less digits than its factorization.

13031020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994661.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 13031020330 its reverse (3302013031), we get a palindrome (16333033361).

The spelling of 13031020330 in words is "thirteen billion, thirty-one million, twenty thousand, three hundred thirty".