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30231022013 = 371395878091
BaseRepresentation
bin11100001001111010…
…001100100110111101
32220000212000000222222
4130021322030212331
5443403120201023
621515443415125
72120103306263
oct341172144675
986025000888
1030231022013
1111903695315
125a383844a5
132b0a1c160a
14166adc4433
15bbe05ecc8
hex709e8c9bd

30231022013 has 8 divisors (see below), whose sum is σ = 31271449440. Its totient is φ = 29202351120.

The previous prime is 30231021979. The next prime is 30231022027. The reversal of 30231022013 is 31022013203.

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

It is a cyclic number.

It is not a de Polignac number, because 30231022013 - 212 = 30231017917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231021982 and 30231022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933903 + ... + 2944188.

It is an arithmetic number, because the mean of its divisors is an integer number (3908931180).

Almost surely, 230231022013 is an apocalyptic number.

It is an amenable number.

30231022013 is a deficient number, since it is larger than the sum of its proper divisors (1040427427).

30231022013 is a wasteful number, since it uses less digits than its factorization.

30231022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878267.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30231022013 its reverse (31022013203), we get a palindrome (61253035216).

The spelling of 30231022013 in words is "thirty billion, two hundred thirty-one million, twenty-two thousand, thirteen".

Divisors: 1 37 139 5143 5878091 217489367 817054649 30231022013