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1003311012131 = 7982312569197
BaseRepresentation
bin11101001100110011111…
…11110001100100100011
310112220201110200021020222
432212121333301210203
5112414240104342011
62044525324553255
7132325660614431
oct16463177614443
93486643607228
101003311012131
11357557a0135a
121425469b282b
13737c523530c
14367bc08bd51
151b172291ddb
hexe999ff1923

1003311012131 has 4 divisors (see below), whose sum is σ = 1003323661152. Its totient is φ = 1003298363112.

The previous prime is 1003311012113. The next prime is 1003311012133. The reversal of 1003311012131 is 1312101133001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1003311012131 is a prime.

It is a super-2 number, since 2×10033110121312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003311012133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6204776 + ... + 6364421.

It is an arithmetic number, because the mean of its divisors is an integer number (250830915288).

Almost surely, 21003311012131 is an apocalyptic number.

1003311012131 is a deficient number, since it is larger than the sum of its proper divisors (12649021).

1003311012131 is an equidigital number, since it uses as much as digits as its factorization.

1003311012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12649020.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1003311012131 its reverse (1312101133001), we get a palindrome (2315412145132).

The spelling of 1003311012131 in words is "one trillion, three billion, three hundred eleven million, twelve thousand, one hundred thirty-one".

Divisors: 1 79823 12569197 1003311012131