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1103404031 = 40115971723
BaseRepresentation
bin100000111000100…
…1001101111111111
32211220020201202222
41001301021233333
54224432412111
6301253435555
736225531242
oct10161115777
92756221688
101103404031
1151692a864
1226963bbbb
131477a31c2
14a6787259
1566d097db
hex41c49bff

1103404031 has 8 divisors (see below), whose sum is σ = 1107490704. Its totient is φ = 1099324800.

The previous prime is 1103403997. The next prime is 1103404061. The reversal of 1103404031 is 1304043011.

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 1103404031 - 214 = 1103387647 is a prime.

It is a super-2 number, since 2×11034040312 = 2435000911254097922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103404061) 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, 639536 + ... + 641258.

It is an arithmetic number, because the mean of its divisors is an integer number (138436338).

Almost surely, 21103404031 is an apocalyptic number.

1103404031 is a deficient number, since it is larger than the sum of its proper divisors (4086673).

1103404031 is a wasteful number, since it uses less digits than its factorization.

1103404031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1103404031 is about 33217.5259614559. The cubic root of 1103404031 is about 1033.3438412274.

Adding to 1103404031 its reverse (1304043011), we get a palindrome (2407447042).

The spelling of 1103404031 in words is "one billion, one hundred three million, four hundred four thousand, thirty-one".

Divisors: 1 401 1597 1723 640397 690923 2751631 1103404031