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30213031301 = 64346987607
BaseRepresentation
bin11100001000110101…
…100100010110000101
32212222121011000101022
4130020311210112011
5443334014000201
621514002040525
72116464346235
oct341065442605
985877130338
1030213031301
11118a4517662
125a32349145
132b0656291b
14166885dcc5
15bbc6a941b
hex708d64585

30213031301 has 4 divisors (see below), whose sum is σ = 30260019552. Its totient is φ = 30166043052.

The previous prime is 30213031231. The next prime is 30213031307. The reversal of 30213031301 is 10313031203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10313031203 = 23448392661.

It is a cyclic number.

It is not a de Polignac number, because 30213031301 - 214 = 30213014917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30213031301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213031307) 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, 23493161 + ... + 23494446.

It is an arithmetic number, because the mean of its divisors is an integer number (7565004888).

Almost surely, 230213031301 is an apocalyptic number.

It is an amenable number.

30213031301 is a deficient number, since it is larger than the sum of its proper divisors (46988251).

30213031301 is an equidigital number, since it uses as much as digits as its factorization.

30213031301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46988250.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30213031301 its reverse (10313031203), we get a palindrome (40526062504).

The spelling of 30213031301 in words is "thirty billion, two hundred thirteen million, thirty-one thousand, three hundred one".

Divisors: 1 643 46987607 30213031301