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30231031101 = 310077010367
BaseRepresentation
bin11100001001111010…
…001110110100111101
32220000212000111110120
4130021322032310331
5443403120443401
621515443525153
72120103344625
oct341172166475
986025014416
1030231031101
11119036a1127
125a383897b9
132b0a1c57ab
14166adc7885
15bbe062836
hex709e8ed3d

30231031101 has 4 divisors (see below), whose sum is σ = 40308041472. Its totient is φ = 20154020732.

The previous prime is 30231031097. The next prime is 30231031147. The reversal of 30231031101 is 10113013203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30231031101 - 22 = 30231031097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231031151) 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, 5038505181 + ... + 5038505186.

It is an arithmetic number, because the mean of its divisors is an integer number (10077010368).

Almost surely, 230231031101 is an apocalyptic number.

It is an amenable number.

30231031101 is a deficient number, since it is larger than the sum of its proper divisors (10077010371).

30231031101 is a wasteful number, since it uses less digits than its factorization.

30231031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077010370.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30231031101 its reverse (10113013203), we get a palindrome (40344044304).

The spelling of 30231031101 in words is "thirty billion, two hundred thirty-one million, thirty-one thousand, one hundred one".

Divisors: 1 3 10077010367 30231031101