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13104405121031 = 73209583377337
BaseRepresentation
bin1011111010110001101101…
…1010011000100000000111
31201101202202112011012112222
42332230123122120200013
53204200310202333111
643512025224402555
72521522242444350
oct276543332304007
951352675135488
1013104405121031
1141a2602072494
12157787a91645b
13740981001a43
14334384134d27
1517ad204bc7db
hexbeb1b698807

13104405121031 has 8 divisors (see below), whose sum is σ = 14981130039840. Its totient is φ = 11228846963328.

The previous prime is 13104405121001. The next prime is 13104405121051. The reversal of 13104405121031 is 13012150440131.

13104405121031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13104405121031 - 210 = 13104405120007 is a prime.

It is a super-2 number, since 2×131044051210312 (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 (13104405121001) 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, 291666206 + ... + 291711131.

It is an arithmetic number, because the mean of its divisors is an integer number (1872641254980).

Almost surely, 213104405121031 is an apocalyptic number.

13104405121031 is a deficient number, since it is larger than the sum of its proper divisors (1876724918809).

13104405121031 is an equidigital number, since it uses as much as digits as its factorization.

13104405121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583380553.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 13104405121031 its reverse (13012150440131), we get a palindrome (26116555561162).

The spelling of 13104405121031 in words is "thirteen trillion, one hundred four billion, four hundred five million, one hundred twenty-one thousand, thirty-one".

Divisors: 1 7 3209 22463 583377337 4083641359 1872057874433 13104405121031