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30231012201 = 313341111871
BaseRepresentation
bin11100001001111010…
…001010001101101001
32220000211222112112120
4130021322022031221
5443403114342301
621515443301453
72120103235545
oct341172121551
986024875476
1030231012201
1111903688a05
125a3837a889
132b0a1ba000
14166adc0a25
15bbe05be36
hex709e8a369

30231012201 has 32 divisors (see below), whose sum is σ = 44730900480. Its totient is φ = 18149788800.

The previous prime is 30231012199. The next prime is 30231012289. The reversal of 30231012201 is 10221013203.

It is not a de Polignac number, because 30231012201 - 21 = 30231012199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30231012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214296 + ... + 326166.

It is an arithmetic number, because the mean of its divisors is an integer number (1397840640).

Almost surely, 230231012201 is an apocalyptic number.

It is an amenable number.

30231012201 is a deficient number, since it is larger than the sum of its proper divisors (14499888279).

30231012201 is a wasteful number, since it uses less digits than its factorization.

30231012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111954 (or 111928 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30231012201 its reverse (10221013203), we get a palindrome (40452025404).

The spelling of 30231012201 in words is "thirty billion, two hundred thirty-one million, twelve thousand, two hundred one".

Divisors: 1 3 13 39 41 123 169 507 533 1599 2197 6591 6929 20787 90077 111871 270231 335613 1454323 4362969 4586711 13760133 18906199 56718597 59627243 178881729 245780587 737341761 775154159 2325462477 10077004067 30231012201