Search a number
-
+
31133441234 = 272223817231
BaseRepresentation
bin11100111111101100…
…101001110011010010
32222100202001200110002
4130333230221303102
51002230130104414
622145201410002
72151341612150
oct347754516322
988322050402
1031133441234
111222701a225
12604a639902
132c2215419c
141714bb03d0
15c233b84de
hex73fb29cd2

31133441234 has 8 divisors (see below), whose sum is σ = 53371613568. Its totient is φ = 13342903380.

The previous prime is 31133441219. The next prime is 31133441239. The reversal of 31133441234 is 43214433113.

It is a happy number.

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 = 31133441197 and 31133441206.

It is not an unprimeable number, because it can be changed into a prime (31133441239) 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, 1111908602 + ... + 1111908629.

It is an arithmetic number, because the mean of its divisors is an integer number (6671451696).

Almost surely, 231133441234 is an apocalyptic number.

31133441234 is a deficient number, since it is larger than the sum of its proper divisors (22238172334).

31133441234 is a wasteful number, since it uses less digits than its factorization.

31133441234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223817240.

The product of its digits is 10368, while the sum is 29.

Adding to 31133441234 its reverse (43214433113), we get a palindrome (74347874347).

The spelling of 31133441234 in words is "thirty-one billion, one hundred thirty-three million, four hundred forty-one thousand, two hundred thirty-four".

Divisors: 1 2 7 14 2223817231 4447634462 15566720617 31133441234