331031010030 has 128 divisors (see below), whose sum is σ = 947719968768. Its totient is φ = 72353690112.

The previous prime is 331031009963. The next prime is 331031010031. The reversal of 331031010030 is 30010130133.

331031010030 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 331031009991 and 331031010009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331031010031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21809524 + ... + 21824696.

It is an arithmetic number, because the mean of its divisors is an integer number (7404062256).

Almost surely, 2^331031010030 is an apocalyptic number.

331031010030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331031010030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473859984384).

331031010030 is an abundant number, since it is smaller than the sum of its proper divisors (616688958738).

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

331031010030 is a wasteful number, since it uses less digits than its factorization.

331031010030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 331031010030 its reverse (30010130133), we get a palindrome (361041140163).

The spelling of 331031010030 in words is "three hundred thirty-one billion, thirty-one million, ten thousand, thirty".