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10000311331 = 23714217761
BaseRepresentation
bin10010101000001000…
…01010010000100011
3221210221100110012011
421110010022100203
5130440034430311
64332153213351
7502550146423
oct112404122043
927727313164
1010000311331
114271a07a0a
121b31101257
13c34a990aa
146ac204483
153d7e20321
hex25410a423

10000311331 has 4 divisors (see below), whose sum is σ = 10004531464. Its totient is φ = 9996091200.

The previous prime is 10000311323. The next prime is 10000311389. The reversal of 10000311331 is 13311300001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13311300001 = 94714056283.

It is a cyclic number.

It is not a de Polignac number, because 10000311331 - 23 = 10000311323 is a prime.

It is a super-2 number, since 2×100003113312 (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 (10000311311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106510 + ... + 2111251.

It is an arithmetic number, because the mean of its divisors is an integer number (2501132866).

Almost surely, 210000311331 is an apocalyptic number.

10000311331 is a deficient number, since it is larger than the sum of its proper divisors (4220133).

10000311331 is an equidigital number, since it uses as much as digits as its factorization.

10000311331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220132.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 10000311331 its reverse (13311300001), we get a palindrome (23311611332).

The spelling of 10000311331 in words is "ten billion, three hundred eleven thousand, three hundred thirty-one".

Divisors: 1 2371 4217761 10000311331