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30303011031 = 310101003677
BaseRepresentation
bin11100001110001100…
…110100000011010111
32220012212110110100220
4130032030310003113
5444030032323111
621530534405423
72121636225636
oct341614640327
986185413326
1030303011031
1111940294777
125a58500873
132b1c0a8577
1416767a351d
15bc552ee06
hex70e3340d7

30303011031 has 4 divisors (see below), whose sum is σ = 40404014712. Its totient is φ = 20202007352.

The previous prime is 30303010951. The next prime is 30303011033. The reversal of 30303011031 is 13011030303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13011030303 = 34337010101.

It is a cyclic number.

It is not a de Polignac number, because 30303011031 - 225 = 30269456599 is a prime.

It is a super-2 number, since 2×303030110312 (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 30303011031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303011033) 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 3 ways as a sum of consecutive naturals, for example, 5050501836 + ... + 5050501841.

It is an arithmetic number, because the mean of its divisors is an integer number (10101003678).

Almost surely, 230303011031 is an apocalyptic number.

30303011031 is a deficient number, since it is larger than the sum of its proper divisors (10101003681).

30303011031 is a wasteful number, since it uses less digits than its factorization.

30303011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101003680.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 30303011031 its reverse (13011030303), we get a palindrome (43314041334).

The spelling of 30303011031 in words is "thirty billion, three hundred three million, eleven thousand, thirty-one".

Divisors: 1 3 10101003677 30303011031