Search a number
-
+
31234030404 = 2234789543503
BaseRepresentation
bin11101000101101100…
…010111101101000100
32222121202100010211220
4131011230113231010
51002431402433104
622203153400340
72154002610063
oct350554275504
988552303756
1031234030404
1112278883375
1260782690b0
132c39c42bc5
1417242b61da
15c2c1377d9
hex745b17b44

31234030404 has 24 divisors (see below), whose sum is σ = 72894756480. Its totient is φ = 10409150304.

The previous prime is 31234030397. The next prime is 31234030409. The reversal of 31234030404 is 40403043213.

It is not an unprimeable number, because it can be changed into a prime (31234030409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214284 + ... + 329219.

It is an arithmetic number, because the mean of its divisors is an integer number (3037281520).

Almost surely, 231234030404 is an apocalyptic number.

It is an amenable number.

31234030404 is an abundant number, since it is smaller than the sum of its proper divisors (41660726076).

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

31234030404 is a wasteful number, since it uses less digits than its factorization.

31234030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548299 (or 548297 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31234030404 its reverse (40403043213), we get a palindrome (71637073617).

The spelling of 31234030404 in words is "thirty-one billion, two hundred thirty-four million, thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 4789 9578 14367 19156 28734 57468 543503 1087006 1630509 2174012 3261018 6522036 2602835867 5205671734 7808507601 10411343468 15617015202 31234030404