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11331030131 = 31365517101
BaseRepresentation
bin10101000110110000…
…11100110001110011
31002020200022222012122
422203120130301303
5141201220431011
65112211144455
7550536111161
oct124330346163
932220288178
1011331030131
114895086713
1222428a512b
1310b769b275
14796c40231
15464b7c3db
hex2a361cc73

11331030131 has 4 divisors (see below), whose sum is σ = 11696547264. Its totient is φ = 10965513000.

The previous prime is 11331030127. The next prime is 11331030163. The reversal of 11331030131 is 13103013311.

11331030131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13103013311 = 68271919293.

It is a cyclic number.

It is not a de Polignac number, because 11331030131 - 22 = 11331030127 is a prime.

It is a super-2 number, since 2×113310301312 (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 (11331030121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182758520 + ... + 182758581.

It is an arithmetic number, because the mean of its divisors is an integer number (2924136816).

Almost surely, 211331030131 is an apocalyptic number.

11331030131 is a deficient number, since it is larger than the sum of its proper divisors (365517133).

11331030131 is an equidigital number, since it uses as much as digits as its factorization.

11331030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365517132.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11331030131 its reverse (13103013311), we get a palindrome (24434043442).

The spelling of 11331030131 in words is "eleven billion, three hundred thirty-one million, thirty thousand, one hundred thirty-one".

Divisors: 1 31 365517101 11331030131