Search a number
-
+
30133231101231 = 397298193472639
BaseRepresentation
bin1101101100111111100001…
…00010010010010100101111
310221200201010200111221201220
412312133300202102110233
512422200324130214411
6144031003144034423
76230024362146606
oct666376042222457
9127621120457656
1030133231101231
119668482426385
123468032162a13
1313a77228518ab
14762655a18a3d
15373c7b630b06
hex1b67f089252f

30133231101231 has 16 divisors (see below), whose sum is σ = 40593216921600. Its totient is φ = 19881047017728.

The previous prime is 30133231101223. The next prime is 30133231101251. The reversal of 30133231101231 is 13210113233103.

It is not a de Polignac number, because 30133231101231 - 23 = 30133231101223 is a prime.

It is a super-2 number, since 2×301332311012312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133231101251) 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, 6941010 + ... + 10413648.

It is an arithmetic number, because the mean of its divisors is an integer number (2537076057600).

Almost surely, 230133231101231 is an apocalyptic number.

30133231101231 is a deficient number, since it is larger than the sum of its proper divisors (10459985820369).

30133231101231 is a wasteful number, since it uses less digits than its factorization.

30133231101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502558.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 30133231101231 its reverse (13210113233103), we get a palindrome (43343344334334).

The spelling of 30133231101231 in words is "thirty trillion, one hundred thirty-three billion, two hundred thirty-one million, one hundred one thousand, two hundred thirty-one".

Divisors: 1 3 97 291 29819 89457 2892443 3472639 8677329 10417917 336845983 1010537949 103550622341 310651867023 10044410367077 30133231101231