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13101103031 = 47419665267
BaseRepresentation
bin11000011001110001…
…01111011110110111
31020211001000222202012
430030320233132313
5203312340244111
610004002034435
7642441352442
oct141470573667
936731028665
1013101103031
11561325a685
122657648a1b
13130a310593
148c3d66659
1551a27348b
hex30ce2f7b7

13101103031 has 8 divisors (see below), whose sum is σ = 13411802880. Its totient is φ = 12791734648.

The previous prime is 13101103007. The next prime is 13101103039. The reversal of 13101103031 is 13030110131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13101103031 is a prime.

It is a super-2 number, since 2×131011030312 (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 = 13101102997 and 13101103015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101103039) 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, 312941 + ... + 352326.

It is an arithmetic number, because the mean of its divisors is an integer number (1676475360).

Almost surely, 213101103031 is an apocalyptic number.

13101103031 is a deficient number, since it is larger than the sum of its proper divisors (310699849).

13101103031 is an equidigital number, since it uses as much as digits as its factorization.

13101103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665733.

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

Adding to 13101103031 its reverse (13030110131), we get a palindrome (26131213162).

The spelling of 13101103031 in words is "thirteen billion, one hundred one million, one hundred three thousand, thirty-one".

Divisors: 1 47 419 19693 665267 31267549 278746873 13101103031