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13420103122031 = 19706321216949
BaseRepresentation
bin1100001101001001110001…
…1110101011110001101111
31202111221122001122022100112
43003102130132223301233
53224333332344401111
644313035452250235
72553366444253544
oct303223436536157
952457561568315
1013420103122031
114304485395231
121608aa547097b
13764683168c28
14345772074bcb
1518414adbae8b
hexc349c7abc6f

13420103122031 has 4 divisors (see below), whose sum is σ = 14126424339000. Its totient is φ = 12713781905064.

The previous prime is 13420103122007. The next prime is 13420103122103. The reversal of 13420103122031 is 13022130102431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13420103122031 - 26 = 13420103121967 is a prime.

It is a super-2 number, since 2×134201031220312 (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 = 13420103121988 and 13420103122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420103122331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353160608456 + ... + 353160608493.

It is an arithmetic number, because the mean of its divisors is an integer number (3531606084750).

Almost surely, 213420103122031 is an apocalyptic number.

13420103122031 is a deficient number, since it is larger than the sum of its proper divisors (706321216969).

13420103122031 is an equidigital number, since it uses as much as digits as its factorization.

13420103122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706321216968.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13420103122031 its reverse (13022130102431), we get a palindrome (26442233224462).

The spelling of 13420103122031 in words is "thirteen trillion, four hundred twenty billion, one hundred three million, one hundred twenty-two thousand, thirty-one".

Divisors: 1 19 706321216949 13420103122031