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30313222431 = 310104407477
BaseRepresentation
bin11100001110110011…
…110001000100011111
32220020120200020202220
4130032303301010133
5444040141104211
621531541320423
72122122065532
oct341663610437
986216606686
1030313222431
1111946029748
125a5ba06113
132b2124240b
141677ca0a19
15bc639a806
hex70ecf111f

30313222431 has 4 divisors (see below), whose sum is σ = 40417629912. Its totient is φ = 20208814952.

The previous prime is 30313222409. The next prime is 30313222441. The reversal of 30313222431 is 13422231303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30313222431 - 29 = 30313221919 is a prime.

It is a super-2 number, since 2×303132224312 (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 (30313222441) 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 3 ways as a sum of consecutive naturals, for example, 5052203736 + ... + 5052203741.

It is an arithmetic number, because the mean of its divisors is an integer number (10104407478).

Almost surely, 230313222431 is an apocalyptic number.

30313222431 is a deficient number, since it is larger than the sum of its proper divisors (10104407481).

30313222431 is a wasteful number, since it uses less digits than its factorization.

30313222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104407480.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30313222431 its reverse (13422231303), we get a palindrome (43735453734).

The spelling of 30313222431 in words is "thirty billion, three hundred thirteen million, two hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 3 10104407477 30313222431