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31114302 = 2397193277
BaseRepresentation
bin111011010110…
…0010000111110
32011112202210120
41312230100332
530431124202
63030515410
7525316152
oct166542076
964482716
1031114302
11166216aa
12a505b66
1365a523b
1441bd062
152ae90bc
hex1dac43e

31114302 has 32 divisors (see below), whose sum is σ = 63424032. Its totient is φ = 10174464.

The previous prime is 31114289. The next prime is 31114309. The reversal of 31114302 is 20341113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31114309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112188 + ... + 112464.

It is an arithmetic number, because the mean of its divisors is an integer number (1982001).

Almost surely, 231114302 is an apocalyptic number.

31114302 is an abundant number, since it is smaller than the sum of its proper divisors (32309730).

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

31114302 is a wasteful number, since it uses less digits than its factorization.

31114302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 31114302 is about 5578.0195410199. The cubic root of 31114302 is about 314.5236842516.

Adding to 31114302 its reverse (20341113), we get a palindrome (51455415).

The spelling of 31114302 in words is "thirty-one million, one hundred fourteen thousand, three hundred two".

Divisors: 1 2 3 6 97 193 194 277 291 386 554 579 582 831 1158 1662 18721 26869 37442 53461 53738 56163 80607 106922 112326 160383 161214 320766 5185717 10371434 15557151 31114302