Search a number
-
+
31324133012 = 2271110296243
BaseRepresentation
bin11101001011000100…
…000101011010010100
32222212000212211101112
4131023010011122110
51003122434224022
622220132514152
72156145510644
oct351304053224
988760784345
1031324133012
1112314724837
1260a247b958
132c527cc763
14173224c524
15c34ed48e2
hex74b105694

31324133012 has 12 divisors (see below), whose sum is σ = 55589306976. Its totient is φ = 15441473880.

The previous prime is 31324132999. The next prime is 31324133063. The reversal of 31324133012 is 21033142313.

It is a congruent number.

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, 55147838 + ... + 55148405.

It is an arithmetic number, because the mean of its divisors is an integer number (4632442248).

Almost surely, 231324133012 is an apocalyptic number.

It is an amenable number.

31324133012 is a deficient number, since it is larger than the sum of its proper divisors (24265173964).

31324133012 is a wasteful number, since it uses less digits than its factorization.

31324133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110296318 (or 110296316 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31324133012 its reverse (21033142313), we get a palindrome (52357275325).

The spelling of 31324133012 in words is "thirty-one billion, three hundred twenty-four million, one hundred thirty-three thousand, twelve".

Divisors: 1 2 4 71 142 284 110296243 220592486 441184972 7831033253 15662066506 31324133012