Search a number
-
+
31103023113106 = 272221644508079
BaseRepresentation
bin1110001001001101111001…
…01001001110001110010010
311002010102100011021120202221
413010212330221032032102
513034042442404104411
6150052310452331254
76360055623222460
oct704467451161622
9132112304246687
1031103023113106
119a0179976972a
1235a3b83613b2a
131448005632139
14797574155830
1538e0dad87071
hex1c49bca4e392

31103023113106 has 8 divisors (see below), whose sum is σ = 53319468193920. Its totient is φ = 13329867048468.

The previous prime is 31103023113083. The next prime is 31103023113109. The reversal of 31103023113106 is 60131132030113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31103023113109) 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, 1110822254026 + ... + 1110822254053.

It is an arithmetic number, because the mean of its divisors is an integer number (6664933524240).

Almost surely, 231103023113106 is an apocalyptic number.

31103023113106 is a deficient number, since it is larger than the sum of its proper divisors (22216445080814).

31103023113106 is a wasteful number, since it uses less digits than its factorization.

31103023113106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221644508088.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31103023113106 its reverse (60131132030113), we get a palindrome (91234155143219).

The spelling of 31103023113106 in words is "thirty-one trillion, one hundred three billion, twenty-three million, one hundred thirteen thousand, one hundred six".

Divisors: 1 2 7 14 2221644508079 4443289016158 15551511556553 31103023113106