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31031034 = 235171839
BaseRepresentation
bin111011001011…
…1111011111010
32011101112120120
41312113323322
530420443114
63025034110
7524521326
oct166277372
964345516
1031031034
1116575091
12a485936
136576378
14419a986
152ace5a9
hex1d97efa

31031034 has 8 divisors (see below), whose sum is σ = 62062080. Its totient is φ = 10343676.

The previous prime is 31031029. The next prime is 31031051. The reversal of 31031034 is 43013013.

It is a sphenic number, since it is the product of 3 distinct primes.

31031034 is an admirable number.

It is a super-2 number, since 2×310310342 = 1925850142218312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585914 + ... + 2585925.

It is an arithmetic number, because the mean of its divisors is an integer number (7757760).

Almost surely, 231031034 is an apocalyptic number.

31031034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31031034 is a wasteful number, since it uses less digits than its factorization.

31031034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171844.

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

The square root of 31031034 is about 5570.5506011525. The cubic root of 31031034 is about 314.2428578123.

Adding to 31031034 its reverse (43013013), we get a palindrome (74044047).

The spelling of 31031034 in words is "thirty-one million, thirty-one thousand, thirty-four".

Divisors: 1 2 3 6 5171839 10343678 15515517 31031034