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331230000000 = 2735761181
BaseRepresentation
bin1001101000111101101…
…10001011001110000000
31011122221222200101220210
410310132312023032000
520411324340000000
6412055344234120
732634121355124
oct4643666131600
91148858611823
10331230000000
11118523777559
125424030b940
1325308c90153
1412062a89584
15893929c350
hex4d1ed8b380

331230000000 has 512 divisors, whose sum is σ = 1123989310080. Its totient is φ = 86400000000.

The previous prime is 331229999993. The next prime is 331230000007. The reversal of 331230000000 is 32133.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (331229999993) and next prime (331230000007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331230000007) 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, 1829999910 + ... + 1830000090.

Almost surely, 2331230000000 is an apocalyptic number.

331230000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561994655040).

331230000000 is an abundant number, since it is smaller than the sum of its proper divisors (792759310080).

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

331230000000 is an frugal number, since it uses more digits than its factorization.

331230000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 331230000000 its reverse (32133), we get a palindrome (331230032133).

The spelling of 331230000000 in words is "three hundred thirty-one billion, two hundred thirty million", and thus it is an aban number.