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31341316 = 2231325033
BaseRepresentation
bin111011110001…
…1101100000100
32011222022012111
41313203230010
531010410231
63035430404
7530253046
oct167435404
964868174
1031341316
1116767216
12a5b5404
136654676
14423ba96
152b414b1
hex1de3b04

31341316 has 12 divisors (see below), whose sum is σ = 55024732. Its totient is φ = 15619968.

The previous prime is 31341301. The next prime is 31341361. The reversal of 31341316 is 61314313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 30140100 = 1096^2 + 5490^2 .

It is a super-2 number, since 2×313413162 = 1964556177223712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11265 + ... + 13768.

Almost surely, 231341316 is an apocalyptic number.

It is an amenable number.

31341316 is a deficient number, since it is larger than the sum of its proper divisors (23683416).

31341316 is a wasteful number, since it uses less digits than its factorization.

31341316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25350 (or 25348 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 31341316 is about 5598.3315371636. The cubic root of 31341316 is about 315.2867666557.

Adding to 31341316 its reverse (61314313), we get a palindrome (92655629).

The spelling of 31341316 in words is "thirty-one million, three hundred forty-one thousand, three hundred sixteen".

Divisors: 1 2 4 313 626 1252 25033 50066 100132 7835329 15670658 31341316