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11315321131 is a prime number
BaseRepresentation
bin10101000100111001…
…00001100100101011
31002012120202212111211
422202130201210223
5141133210234011
65110450333551
7550255433302
oct124234414453
932176685454
1011315321131
114887227274
12223958a2b7
1310b435acba
14794b11439
154635c7b21
hex2a272192b

11315321131 has 2 divisors, whose sum is σ = 11315321132. Its totient is φ = 11315321130.

The previous prime is 11315321117. The next prime is 11315321137. The reversal of 11315321131 is 13112351311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11315321131 - 227 = 11181103403 is a prime.

It is a super-2 number, since 2×113153211312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11315321137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657660565 + 5657660566.

It is an arithmetic number, because the mean of its divisors is an integer number (5657660566).

Almost surely, 211315321131 is an apocalyptic number.

11315321131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11315321131 is an equidigital number, since it uses as much as digits as its factorization.

11315321131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 22.

Adding to 11315321131 its reverse (13112351311), we get a palindrome (24427672442).

The spelling of 11315321131 in words is "eleven billion, three hundred fifteen million, three hundred twenty-one thousand, one hundred thirty-one".