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331203313112 = 2372251213411
BaseRepresentation
bin1001101000111010100…
…00010111110111011000
31011122220010110120101112
410310131100113313120
520411301022004422
6412052552235452
732633345465600
oct4643520276730
91148803416345
10331203313112
1111850a6aa281
125423339bb88
13253035a81a9
141205d2ddc00
158936c79ee2
hex4d1d417dd8

331203313112 has 72 divisors (see below), whose sum is σ = 725338596780. Its totient is φ = 141368220000.

The previous prime is 331203313069. The next prime is 331203313163. The reversal of 331203313112 is 211313302133.

It is a super-2 number, since 2×3312033131122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24689687 + ... + 24703097.

Almost surely, 2331203313112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331203313112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362669298390).

331203313112 is an abundant number, since it is smaller than the sum of its proper divisors (394135283668).

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

331203313112 is a wasteful number, since it uses less digits than its factorization.

331203313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13933 (or 13671 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 331203313112 its reverse (211313302133), we get a palindrome (542516615245).

The spelling of 331203313112 in words is "three hundred thirty-one billion, two hundred three million, three hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 251 392 502 1004 1757 2008 3514 7028 12299 13411 14056 24598 26822 49196 53644 63001 93877 98392 107288 126002 187754 252004 375508 441007 504008 657139 751016 882014 1314278 1764028 2628556 3087049 3366161 3528056 5257112 6174098 6732322 12348196 13464644 23563127 24696392 26929288 47126254 94252508 164941889 188505016 329883778 659767556 844906411 1319535112 1689812822 3379625644 5914344877 6759251288 11828689754 23657379508 41400414139 47314759016 82800828278 165601656556 331203313112