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30213311301 = 3219353500527
BaseRepresentation
bin11100001000110110…
…101000101101000101
32212222121200020110200
4130020312220231011
5443334101430201
621514012041113
72116466623455
oct341066505505
985877606420
1030213311301
11118a4698a68
125a32463199
132b066301c4
1416688d3d65
15bbc712386
hex708da8b45

30213311301 has 24 divisors (see below), whose sum is σ = 46068597120. Its totient is φ = 19027996416.

The previous prime is 30213311299. The next prime is 30213311311. The reversal of 30213311301 is 10311331203.

It is a happy number.

30213311301 is a `hidden beast` number, since 30 + 2 + 1 + 331 + 1 + 301 = 666.

It is not a de Polignac number, because 30213311301 - 21 = 30213311299 is a prime.

It is a super-2 number, since 2×302133113012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213311311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189901 + ... + 310626.

It is an arithmetic number, because the mean of its divisors is an integer number (1919524880).

Almost surely, 230213311301 is an apocalyptic number.

It is an amenable number.

30213311301 is a deficient number, since it is larger than the sum of its proper divisors (15855285819).

30213311301 is a wasteful number, since it uses less digits than its factorization.

30213311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500905 (or 500902 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30213311301 its reverse (10311331203), we get a palindrome (40524642504).

The spelling of 30213311301 in words is "thirty billion, two hundred thirteen million, three hundred eleven thousand, three hundred one".

Divisors: 1 3 9 19 57 171 353 1059 3177 6707 20121 60363 500527 1501581 4504743 9510013 28530039 85590117 176686031 530058093 1590174279 3357034589 10071103767 30213311301