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13111002003031 = 171259296124367
BaseRepresentation
bin1011111011001010010010…
…0111011111011001010111
31201102101210021100112101221
42332302210213133121113
53204302313003044111
643515040002431211
72522144565144442
oct276624447373127
951371707315357
1013111002003031
1141a5387911589
121579000062507
1374149294410a
1433480c318659
1517b0a9709371
hexbeca49df657

13111002003031 has 8 divisors (see below), whose sum is σ = 13882349920320. Its totient is φ = 12339666586368.

The previous prime is 13111002003017. The next prime is 13111002003083. The reversal of 13111002003031 is 13030020011131.

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-13111002003031 is a prime.

It is a super-2 number, since 2×131110020030312 (a number of 27 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 = 13111002002996 and 13111002003014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111002004031) 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, 921391 + ... + 5202976.

It is an arithmetic number, because the mean of its divisors is an integer number (1735293740040).

Almost surely, 213111002003031 is an apocalyptic number.

13111002003031 is a deficient number, since it is larger than the sum of its proper divisors (771347917289).

13111002003031 is a wasteful number, since it uses less digits than its factorization.

13111002003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250313.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13111002003031 its reverse (13030020011131), we get a palindrome (26141022014162).

The spelling of 13111002003031 in words is "thirteen trillion, one hundred eleven billion, two million, three thousand, thirty-one".

Divisors: 1 17 125929 2140793 6124367 104114239 771235411943 13111002003031