331240111230 has 160 divisors (see below), whose sum is σ = 936442151424. Its totient is φ = 74975277888.

The previous prime is 331240111211. The next prime is 331240111253. The reversal of 331240111230 is 32111042133.

It is a super-2 number, since 2×331240111230² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 331240111197 and 331240111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7396767 + ... + 7441413.

Almost surely, 2^331240111230 is an apocalyptic number.

331240111230 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 331240111230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468221075712).

331240111230 is an abundant number, since it is smaller than the sum of its proper divisors (605202040194).

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

331240111230 is a wasteful number, since it uses less digits than its factorization.

331240111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44788 (or 44767 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 331240111230 its reverse (32111042133), we get a palindrome (363351153363).

The spelling of 331240111230 in words is "three hundred thirty-one billion, two hundred forty million, one hundred eleven thousand, two hundred thirty".