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1203231004131 = 313109579281551
BaseRepresentation
bin10001100000100110001…
…010000001010111100011
311021000202020102010102010
4101200212022001113203
5124203204114113011
62320431240124003
7152634120533112
oct21404612012743
94230666363363
101203231004131
11424318596342
1217523b766603
1389605ac0580
14423456a3c79
15214736b01a6
hex118262815e3

1203231004131 has 16 divisors (see below), whose sum is σ = 1727738216960. Its totient is φ = 740440461600.

The previous prime is 1203231004123. The next prime is 1203231004141. The reversal of 1203231004131 is 1314001323021.

It is not a de Polignac number, because 1203231004131 - 23 = 1203231004123 is a prime.

It is a super-2 number, since 2×12032310041312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203231004098 and 1203231004107.

It is not an unprimeable number, because it can be changed into a prime (1203231004111) 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, 4132806 + ... + 4414356.

It is an arithmetic number, because the mean of its divisors is an integer number (107983638560).

Almost surely, 21203231004131 is an apocalyptic number.

1203231004131 is a deficient number, since it is larger than the sum of its proper divisors (524507212829).

1203231004131 is a wasteful number, since it uses less digits than its factorization.

1203231004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391146.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1203231004131 its reverse (1314001323021), we get a palindrome (2517232327152).

The spelling of 1203231004131 in words is "one trillion, two hundred three billion, two hundred thirty-one million, four thousand, one hundred thirty-one".

Divisors: 1 3 13 39 109579 281551 328737 844653 1424527 3660163 4273581 10980489 30852077029 92556231087 401077001377 1203231004131