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11010331031 = 71572904433
BaseRepresentation
bin10100100000100010…
…00101000110010111
31001102022212202202012
422100101011012113
5140022121043111
65020313334435
7536563161320
oct122021050627
931368782665
1011010331031
114740054737
12217340741b
131066103a9b
147663dd447
1544693048b
hex290445197

11010331031 has 4 divisors (see below), whose sum is σ = 12583235472. Its totient is φ = 9437426592.

The previous prime is 11010331021. The next prime is 11010331037. The reversal of 11010331031 is 13013301011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11010331031 - 222 = 11006136727 is a prime.

It is a super-2 number, since 2×110103310312 (a number of 21 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 = 11010330997 and 11010331015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010331037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786452210 + ... + 786452223.

It is an arithmetic number, because the mean of its divisors is an integer number (3145808868).

Almost surely, 211010331031 is an apocalyptic number.

11010331031 is a deficient number, since it is larger than the sum of its proper divisors (1572904441).

11010331031 is an equidigital number, since it uses as much as digits as its factorization.

11010331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572904440.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11010331031 its reverse (13013301011), we get a palindrome (24023632042).

The spelling of 11010331031 in words is "eleven billion, ten million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 7 1572904433 11010331031