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12352043031 = 331367361901
BaseRepresentation
bin10111000000011110…
…10011100000010111
31011212211112210121020
423200033103200113
5200244110334111
65401403052223
7615044430156
oct134017234027
934784483536
1012352043031
115269451829
122488811073
13121b084903
1485269b59d
154c460e906
hex2e03d3817

12352043031 has 16 divisors (see below), whose sum is σ = 17047031808. Its totient is φ = 7947324000.

The previous prime is 12352043029. The next prime is 12352043047. The reversal of 12352043031 is 13034025321.

It is not a de Polignac number, because 12352043031 - 21 = 12352043029 is a prime.

It is a super-2 number, since 2×123520430312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12352042992 and 12352043010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352043531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146820 + ... + 215081.

It is an arithmetic number, because the mean of its divisors is an integer number (1065439488).

Almost surely, 212352043031 is an apocalyptic number.

12352043031 is a deficient number, since it is larger than the sum of its proper divisors (4694988777).

12352043031 is a wasteful number, since it uses less digits than its factorization.

12352043031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362302.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12352043031 its reverse (13034025321), we get a palindrome (25386068352).

The spelling of 12352043031 in words is "twelve billion, three hundred fifty-two million, forty-three thousand, thirty-one".

Divisors: 1 3 31 93 367 1101 11377 34131 361901 1085703 11218931 33656793 132817667 398453001 4117347677 12352043031