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11130203131 = 101199553769
BaseRepresentation
bin10100101110110100…
…10110101111111011
31001201200102220100121
422113122112233323
5140243313000011
65040234514111
7542550110545
oct122732265773
931650386317
1011130203131
1147a1789393
1221a7595937
131084bb4718
147782c4695
1545220ce71
hex297696bfb

11130203131 has 8 divisors (see below), whose sum is σ = 11296908000. Its totient is φ = 10964606400.

The previous prime is 11130203111. The next prime is 11130203153. The reversal of 11130203131 is 13130203111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11130203131 - 25 = 11130203099 is a prime.

It is a super-2 number, since 2×111302031312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130203111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256786 + ... + 296983.

It is an arithmetic number, because the mean of its divisors is an integer number (1412113500).

Almost surely, 211130203131 is an apocalyptic number.

11130203131 is a deficient number, since it is larger than the sum of its proper divisors (166704869).

11130203131 is a wasteful number, since it uses less digits than its factorization.

11130203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554069.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11130203131 its reverse (13130203111), we get a palindrome (24260406242).

The spelling of 11130203131 in words is "eleven billion, one hundred thirty million, two hundred three thousand, one hundred thirty-one".

Divisors: 1 101 199 20099 553769 55930669 110200031 11130203131