Search a number
-
+
31816004034 = 235302667339
BaseRepresentation
bin11101101000011000…
…011011000111000010
310001010022102110120210
4131220120123013002
51010124344112114
622341023214550
72204300400153
oct355030330702
9101108373523
1031816004034
1112547339811
1261bb147456
1330006997b9
14177b6c992a
15c63294259
hex76861b1c2

31816004034 has 8 divisors (see below), whose sum is σ = 63632008080. Its totient is φ = 10605334676.

The previous prime is 31816004009. The next prime is 31816004047. The reversal of 31816004034 is 43040061813.

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

31816004034 is an admirable number.

It is a super-2 number, since 2×318160040342 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31816003992 and 31816004010.

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, 2651333664 + ... + 2651333675.

It is an arithmetic number, because the mean of its divisors is an integer number (7954001010).

Almost surely, 231816004034 is an apocalyptic number.

31816004034 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.

31816004034 is a wasteful number, since it uses less digits than its factorization.

31816004034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302667344.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 31816004034 its reverse (43040061813), we get a palindrome (74856065847).

The spelling of 31816004034 in words is "thirty-one billion, eight hundred sixteen million, four thousand, thirty-four".

Divisors: 1 2 3 6 5302667339 10605334678 15908002017 31816004034