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331131244234 = 2747907554839
BaseRepresentation
bin1001101000110001111…
…01011100111011001010
31011122201002212002110211
410310120331130323022
520411124044303414
6412041455431334
732631512064340
oct4643075347312
91148632762424
10331131244234
11118482a5591a
125421322554a
13252c1693a9b
14120538dd990
1589307913c4
hex4d18f5ceca

331131244234 has 32 divisors (see below), whose sum is σ = 580371517440. Its totient is φ = 138740570928.

The previous prime is 331131244217. The next prime is 331131244303. The reversal of 331131244234 is 432442131133.

It is a junction number, because it is equal to n+sod(n) for n = 331131244196 and 331131244205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319387 + ... + 874225.

It is an arithmetic number, because the mean of its divisors is an integer number (18136609920).

Almost surely, 2331131244234 is an apocalyptic number.

331131244234 is a deficient number, since it is larger than the sum of its proper divisors (249240273206).

331131244234 is a wasteful number, since it uses less digits than its factorization.

331131244234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555802.

The product of its digits is 20736, while the sum is 31.

Adding to 331131244234 its reverse (432442131133), we get a palindrome (763573375367).

The spelling of 331131244234 in words is "three hundred thirty-one billion, one hundred thirty-one million, two hundred forty-four thousand, two hundred thirty-four".

Divisors: 1 2 7 14 47 94 329 658 907 1814 6349 12698 42629 85258 298403 554839 596806 1109678 3883873 7767746 26077433 52154866 182542031 365084062 503238973 1006477946 3522672811 7045345622 23652231731 47304463462 165565622117 331131244234