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30230031403 = 11135317922283
BaseRepresentation
bin11100001001110110…
…011010110000101011
32220000210010201010201
4130021312122300223
5443402342001103
621515410253031
72120062012225
oct341166326053
986023121121
1030230031403
1111903079030
125a37b87177
132b09c35760
14166ac07415
15bbde1651d
hex709d9ac2b

30230031403 has 32 divisors (see below), whose sum is σ = 36388880640. Its totient is φ = 24749063040.

The previous prime is 30230031383. The next prime is 30230031409. The reversal of 30230031403 is 30413003203.

It is not a de Polignac number, because 30230031403 - 221 = 30227934251 is a prime.

It is a super-2 number, since 2×302300314032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230031409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1345500 + ... + 1367782.

It is an arithmetic number, because the mean of its divisors is an integer number (1137152520).

Almost surely, 230230031403 is an apocalyptic number.

30230031403 is a deficient number, since it is larger than the sum of its proper divisors (6158849237).

30230031403 is a wasteful number, since it uses less digits than its factorization.

30230031403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22539.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30230031403 its reverse (30413003203), we get a palindrome (60643034606).

The spelling of 30230031403 in words is "thirty billion, two hundred thirty million, thirty-one thousand, four hundred three".

Divisors: 1 11 13 53 143 179 583 689 1969 2327 7579 9487 22283 25597 104357 123331 245113 289679 1180999 1356641 3186469 3988657 12990989 15352987 43875227 51852541 168882857 211398821 570377951 2325387031 2748184673 30230031403