Search a number
-
+
133330031031 = 3714211486847
BaseRepresentation
bin111110000101100010…
…1101101000110110111
3110202010222222100102110
41330023011231012313
54141024441443111
6141130113142103
712430020364431
oct1741305550667
9422128870373
10133330031031
11515aa36579a
1221a0bb5a933
13c75aa6ccb2
14664b861651
1537053995a6
hex1f0b16d1b7

133330031031 has 16 divisors (see below), whose sum is σ = 180705558528. Its totient is φ = 87426544800.

The previous prime is 133330030997. The next prime is 133330031047. The reversal of 133330031031 is 130130033331.

It is not a de Polignac number, because 133330031031 - 214 = 133330014647 is a prime.

It is a super-2 number, since 2×1333300310312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133330030989 and 133330031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133330031231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653751 + ... + 833096.

It is an arithmetic number, because the mean of its divisors is an integer number (11294097408).

Almost surely, 2133330031031 is an apocalyptic number.

133330031031 is a deficient number, since it is larger than the sum of its proper divisors (47375527497).

133330031031 is a wasteful number, since it uses less digits than its factorization.

133330031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487342.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 133330031031 its reverse (130130033331), we get a palindrome (263460064362).

The spelling of 133330031031 in words is "one hundred thirty-three billion, three hundred thirty million, thirty-one thousand, thirty-one".

Divisors: 1 3 71 213 421 1263 29891 89673 1486847 4460541 105566137 316698411 625962587 1877887761 44443343677 133330031031