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13111031302213 = 13279982026163
BaseRepresentation
bin1011111011001010011001…
…0111010000100001000101
31201102101212022111002022211
42332302212113100201011
53204302343003132323
643515042530423421
72522145402164005
oct276624627204105
951371768432284
1013111031302213
1141a53a2403489
121579009a31b71
13741498a32100
14334812184005
1517b0ac09570d
hexbeca65d0845

13111031302213 has 12 divisors (see below), whose sum is σ = 14376863040960. Its totient is φ = 11949294339216.

The previous prime is 13111031302207. The next prime is 13111031302261. The reversal of 13111031302213 is 31220313011131.

It is not a de Polignac number, because 13111031302213 - 25 = 13111031302181 is a prime.

It is a super-2 number, since 2×131110313022132 (a number of 27 digits) 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 (13111031302913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490999731 + ... + 491026432.

It is an arithmetic number, because the mean of its divisors is an integer number (1198071920080).

Almost surely, 213111031302213 is an apocalyptic number.

13111031302213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13111031302213 is a deficient number, since it is larger than the sum of its proper divisors (1265831738747).

13111031302213 is an equidigital number, since it uses as much as digits as its factorization.

13111031302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982026268 (or 982026255 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13111031302213 its reverse (31220313011131), we get a palindrome (44331344313344).

The spelling of 13111031302213 in words is "thirteen trillion, one hundred eleven billion, thirty-one million, three hundred two thousand, two hundred thirteen".

Divisors: 1 13 79 169 1027 13351 982026163 12766340119 77580066877 165962421547 1008540869401 13111031302213