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30010223031 = 399731003049
BaseRepresentation
bin11011111100101111…
…111010100110110111
32212110110112021201220
4123330233322212313
5442430104114111
621441515121423
72111452454415
oct337457724667
985413467656
1030010223031
11117aaa96818
125996443273
132aa3534329
14164994a2b5
15ba9997e06
hex6fcbfa9b7

30010223031 has 8 divisors (see below), whose sum is σ = 40017682800. Its totient is φ = 20004789312.

The previous prime is 30010223017. The next prime is 30010223077. The reversal of 30010223031 is 13032201003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30010223031 - 27 = 30010222903 is a prime.

It is a super-2 number, since 2×300102230312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30010223031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010223081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471606 + ... + 531443.

It is an arithmetic number, because the mean of its divisors is an integer number (5002210350).

Almost surely, 230010223031 is an apocalyptic number.

30010223031 is a deficient number, since it is larger than the sum of its proper divisors (10007459769).

30010223031 is a wasteful number, since it uses less digits than its factorization.

30010223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013025.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30010223031 its reverse (13032201003), we get a palindrome (43042424034).

The spelling of 30010223031 in words is "thirty billion, ten million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 3 9973 29919 1003049 3009147 10003407677 30010223031