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31337068 = 22721011583
BaseRepresentation
bin111011110001…
…0101001101100
32011222002101011
41313202221230
531010241233
63035355004
7530234500
oct167425154
964862334
1031337068
1116764004
12a5b2a64
136652759
14423a300
152b400cd
hex1de2a6c

31337068 has 36 divisors (see below), whose sum is σ = 64465632. Its totient is φ = 13288800.

The previous prime is 31337041. The next prime is 31337071. The reversal of 31337068 is 86073313.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19005 + ... + 20587.

It is an arithmetic number, because the mean of its divisors is an integer number (1790712).

Almost surely, 231337068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31337068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32232816).

31337068 is an abundant number, since it is smaller than the sum of its proper divisors (33128564).

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

31337068 is a wasteful number, since it uses less digits than its factorization.

31337068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 31337068 is about 5597.9521255545. The cubic root of 31337068 is about 315.2725213626.

It can be divided in two parts, 3133 and 7068, that added together give a palindrome (10201).

The spelling of 31337068 in words is "thirty-one million, three hundred thirty-seven thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 101 196 202 404 707 1414 1583 2828 3166 4949 6332 9898 11081 19796 22162 44324 77567 155134 159883 310268 319766 639532 1119181 2238362 4476724 7834267 15668534 31337068