Search a number
-
+
31003314 = 236597841
BaseRepresentation
bin111011001000…
…1001010110010
32011100010112220
41312101022302
530414101224
63024301510
7524344446
oct166211262
964303486
1031003314
1116556281
12a471896
136566874
144190826
152ac6279
hex1d912b2

31003314 has 16 divisors (see below), whose sum is σ = 62108640. Its totient is φ = 10317440.

The previous prime is 31003303. The next prime is 31003321. The reversal of 31003314 is 41330013.

It is a super-2 number, since 2×310033142 = 1922410957965192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31003293 and 31003302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (3881790).

Almost surely, 231003314 is an apocalyptic number.

31003314 is an abundant number, since it is smaller than the sum of its proper divisors (31105326).

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

31003314 is a wasteful number, since it uses less digits than its factorization.

31003314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 31003314 is about 5568.0619608621. The cubic root of 31003314 is about 314.1492589644.

Adding to 31003314 its reverse (41330013), we get a palindrome (72333327).

The spelling of 31003314 in words is "thirty-one million, three thousand, three hundred fourteen".

Divisors: 1 2 3 6 659 1318 1977 3954 7841 15682 23523 47046 5167219 10334438 15501657 31003314