31033013230030 has 64 divisors (see below), whose sum is σ = 65129334864768. Its totient is φ = 10425418997760.

The previous prime is 31033013230013. The next prime is 31033013230031. The reversal of 31033013230030 is 3003231033013.

It is a junction number, because it is equal to n+sod(n) for n = 31033013229983 and 31033013230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31033013230031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2672547 + ... + 8319166.

It is an arithmetic number, because the mean of its divisors is an integer number (1017645857262).

Almost surely, 2^{31033013230030} is an apocalyptic number.

31033013230030 is an abundant number, since it is smaller than the sum of its proper divisors (34096321634738).

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

31033013230030 is a wasteful number, since it uses less digits than its factorization.

31033013230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10992541.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 31033013230030 its reverse (3003231033013), we get a palindrome (34036244263043).

The spelling of 31033013230030 in words is "thirty-one trillion, thirty-three billion, thirteen million, two hundred thirty thousand, thirty".