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31330233244124 = 22371411991499237
BaseRepresentation
bin1110001111110101000110…
…11011000101100111011100
311002221010210211020010212122
413013322203123011213130
513101303304202302444
6150344524354122112
76412351246403513
oct707724333054734
9132833724203778
1031330233244124
119a8a093986011
123620013880338
131463575025549
147a4569d3767a
15394e8804c4ee
hex1c7ea36c59dc

31330233244124 has 24 divisors (see below), whose sum is σ = 56310179889600. Its totient is φ = 15241616980416.

The previous prime is 31330233244099. The next prime is 31330233244129. The reversal of 31330233244124 is 42144233203313.

It is a super-2 number, since 2×313302332441242 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330233244129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20147834 + ... + 21647070.

It is an arithmetic number, because the mean of its divisors is an integer number (2346257495400).

Almost surely, 231330233244124 is an apocalyptic number.

It is an amenable number.

31330233244124 is a deficient number, since it is larger than the sum of its proper divisors (24979946645476).

31330233244124 is a wasteful number, since it uses less digits than its factorization.

31330233244124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640477 (or 1640475 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 31330233244124 its reverse (42144233203313), we get a palindrome (73474466447437).

The spelling of 31330233244124 in words is "thirty-one trillion, three hundred thirty billion, two hundred thirty-three million, two hundred forty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 37 74 148 141199 282398 564796 1499237 2998474 5224363 5996948 10448726 20897452 55471769 110943538 221887076 211690765163 423381530326 846763060652 7832558311031 15665116622062 31330233244124