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12321050053431 = 3712735831289371
BaseRepresentation
bin1011001101001011011111…
…0011111100101100110111
31121121212210011101122022010
42303102313303330230313
53103332002303202211
642112113502535303
72411111051312130
oct263226763745467
947555704348263
1012321050053431
113a20367600879
12146ba9a897533
136b4b40609ac2
143084b0662c87
151657736174a6
hexb34b7cfcb37

12321050053431 has 32 divisors (see below), whose sum is σ = 18928063479808. Its totient is φ = 6983207290080.

The previous prime is 12321050053397. The next prime is 12321050053441. The reversal of 12321050053431 is 13435005012321.

It is not a de Polignac number, because 12321050053431 - 27 = 12321050053303 is a prime.

It is a super-2 number, since 2×123210500534312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321050053441) 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, 8911176 + ... + 10200546.

It is an arithmetic number, because the mean of its divisors is an integer number (591501983744).

Almost surely, 212321050053431 is an apocalyptic number.

12321050053431 is a deficient number, since it is larger than the sum of its proper divisors (6607013426377).

12321050053431 is a wasteful number, since it uses less digits than its factorization.

12321050053431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293091.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 12321050053431 its reverse (13435005012321), we get a palindrome (25756055065752).

The spelling of 12321050053431 in words is "twelve trillion, three hundred twenty-one billion, fifty million, fifty-three thousand, four hundred thirty-one".

Divisors: 1 3 7 21 127 381 889 2667 3583 10749 25081 75243 455041 1289371 1365123 3185287 3868113 9025597 9555861 27076791 163750117 491250351 1146250819 3438752457 4619816293 13859448879 32338714051 97016142153 586716669211 1760150007633 4107016684477 12321050053431