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230403143031021 = 32195679372372423
BaseRepresentation
bin110100011000110011101001…
…011111101101100011101101
31010012210022210012001201001200
4310120303221133231203231
5220144411114103443041
62134005424231000113
766350035446153552
oct6430635137554355
91105708705051050
10230403143031021
11674604737094a4
1221a1180a509039
139b73c0024c81c
1440c780076ca29
151b984ab65a1b6
hexd18ce97ed8ed

230403143031021 has 24 divisors (see below), whose sum is σ = 350321332845120. Its totient is φ = 145517456987136.

The previous prime is 230403143030993. The next prime is 230403143031049. The reversal of 230403143031021 is 120130341304032.

It is a happy number.

230403143031021 is a `hidden beast` number, since 2 + 3 + 0 + 4 + 0 + 314 + 30 + 310 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (230403143030993) and next prime (230403143031049).

It is not a de Polignac number, because 230403143031021 - 29 = 230403143030509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230403143031071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95931016 + ... + 98303438.

It is an arithmetic number, because the mean of its divisors is an integer number (14596722201880).

Almost surely, 2230403143031021 is an apocalyptic number.

It is an amenable number.

230403143031021 is a deficient number, since it is larger than the sum of its proper divisors (119918189814099).

230403143031021 is a wasteful number, since it uses less digits than its factorization.

230403143031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940385 (or 2940382 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 230403143031021 its reverse (120130341304032), we get a palindrome (350533484335053).

The spelling of 230403143031021 in words is "two hundred thirty trillion, four hundred three billion, one hundred forty-three million, thirty-one thousand, twenty-one".

Divisors: 1 3 9 19 57 171 567937 1703811 2372423 5111433 7117269 10790803 21351807 32372409 45076037 97117227 135228111 405684333 1347386801351 4042160404053 12126481212159 25600349225669 76801047677007 230403143031021