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58103122831 = 134469470987
BaseRepresentation
bin110110000111001101…
…110100101110001111
312112222022021110110021
4312013031310232033
51422443344412311
642405303323011
74124564252365
oct660715645617
9175868243407
1058103122831
1122706775186
12b316750467
13562c77ab70
142b5299d635
1517a0e60171
hexd87374b8f

58103122831 has 4 divisors (see below), whose sum is σ = 62572593832. Its totient is φ = 53633651832.

The previous prime is 58103122771. The next prime is 58103122837. The reversal of 58103122831 is 13822130185.

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

It is a cyclic number.

It is not a de Polignac number, because 58103122831 - 213 = 58103114639 is a prime.

It is a super-2 number, since 2×581031228312 (a number of 22 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 (58103122837) 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, 2234735481 + ... + 2234735506.

It is an arithmetic number, because the mean of its divisors is an integer number (15643148458).

Almost surely, 258103122831 is an apocalyptic number.

58103122831 is a deficient number, since it is larger than the sum of its proper divisors (4469471001).

58103122831 is a wasteful number, since it uses less digits than its factorization.

58103122831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469471000.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 58103122831 in words is "fifty-eight billion, one hundred three million, one hundred twenty-two thousand, eight hundred thirty-one".

Divisors: 1 13 4469470987 58103122831