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1011040331 = 7197601807
BaseRepresentation
bin111100010000110…
…100000001001011
32121110110011121012
4330100310001023
54032311242311
6244154034135
734024462310
oct7420640113
92543404535
101011040331
11479784624
1224271894b
13131604422
14983c2d07
155db6278b
hex3c43404b

1011040331 has 8 divisors (see below), whose sum is σ = 1216289280. Its totient is φ = 820995048.

The previous prime is 1011040321. The next prime is 1011040351. The reversal of 1011040331 is 1330401101.

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 1011040331 - 218 = 1010778187 is a prime.

It is a super-2 number, since 2×10110403312 = 2044405101817179122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011040321) 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, 3800771 + ... + 3801036.

It is an arithmetic number, because the mean of its divisors is an integer number (152036160).

Almost surely, 21011040331 is an apocalyptic number.

1011040331 is a deficient number, since it is larger than the sum of its proper divisors (205248949).

1011040331 is an equidigital number, since it uses as much as digits as its factorization.

1011040331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601833.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1011040331 is about 31796.8603953283. The cubic root of 1011040331 is about 1003.6666495823. Note that the first 4 decimals are identical.

Adding to 1011040331 its reverse (1330401101), we get a palindrome (2341441432).

The spelling of 1011040331 in words is "one billion, eleven million, forty thousand, three hundred thirty-one".

Divisors: 1 7 19 133 7601807 53212649 144434333 1011040331