Search a number
-
+
31412344332 = 2232617695361
BaseRepresentation
bin11101010000010100…
…100101011000001100
310000002011212102120110
4131100110211120030
51003313030004312
622233003320020
72161266343545
oct352024453014
9100064772513
1031412344332
111235a4a4256
126107b20010
132c67b764c5
14173dc514cc
15c3cb0b43c
hex75052560c

31412344332 has 12 divisors (see below), whose sum is σ = 73295470136. Its totient is φ = 10470781440.

The previous prime is 31412344331. The next prime is 31412344343. The reversal of 31412344332 is 23344321413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 31412344332.

It is not an unprimeable number, because it can be changed into a prime (31412344331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308847669 + ... + 1308847692.

Almost surely, 231412344332 is an apocalyptic number.

It is an amenable number.

31412344332 is an abundant number, since it is smaller than the sum of its proper divisors (41883125804).

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

31412344332 is a wasteful number, since it uses less digits than its factorization.

31412344332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617695368 (or 2617695366 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 31412344332 its reverse (23344321413), we get a palindrome (54756665745).

The spelling of 31412344332 in words is "thirty-one billion, four hundred twelve million, three hundred forty-four thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 2617695361 5235390722 7853086083 10470781444 15706172166 31412344332