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31234034 = 2131201309
BaseRepresentation
bin111011100100…
…1011111110010
32011202212001002
41313021133302
530443442114
63033242002
7526325216
oct167113762
964685032
1031234034
11166a3657
12a563302
1366178a0
144210946
152b1e7de
hex1dc97f2

31234034 has 8 divisors (see below), whose sum is σ = 50455020. Its totient is φ = 14415696.

The previous prime is 31234009. The next prime is 31234061. The reversal of 31234034 is 43043213.

It can be written as a sum of positive squares in 2 ways, for example, as 23377225 + 7856809 = 4835^2 + 2803^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31233997 and 31234015.

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, 600629 + ... + 600680.

Almost surely, 231234034 is an apocalyptic number.

31234034 is a deficient number, since it is larger than the sum of its proper divisors (19220986).

31234034 is a wasteful number, since it uses less digits than its factorization.

31234034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201324.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 31234034 is about 5588.7417188487. The cubic root of 31234034 is about 314.9266109370.

Adding to 31234034 its reverse (43043213), we get a palindrome (74277247).

The spelling of 31234034 in words is "thirty-one million, two hundred thirty-four thousand, thirty-four".

Divisors: 1 2 13 26 1201309 2402618 15617017 31234034