Search a number
-
+
131313110 = 2530742773
BaseRepresentation
bin1111101001110…
…10110111010110
3100011002101201112
413310322313112
5232104004420
621010255022
73153100025
oct764726726
9304071645
10131313110
1168139535
1237b87472
1321288386
14136228bc
15b7dc8c5
hex7d3add6

131313110 has 16 divisors (see below), whose sum is σ = 237139056. Its totient is φ = 52352928.

The previous prime is 131313109. The next prime is 131313113. The reversal of 131313110 is 11313131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313113) 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, 18317 + ... + 24456.

It is an arithmetic number, because the mean of its divisors is an integer number (14821191).

Almost surely, 2131313110 is an apocalyptic number.

131313110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131313110 is a deficient number, since it is larger than the sum of its proper divisors (105825946).

131313110 is a wasteful number, since it uses less digits than its factorization.

131313110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43087.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 131313110 is about 11459.1932525811. The cubic root of 131313110 is about 508.2796190369.

Adding to 131313110 its reverse (11313131), we get a palindrome (142626241).

The spelling of 131313110 in words is "one hundred thirty-one million, three hundred thirteen thousand, one hundred ten".

Divisors: 1 2 5 10 307 614 1535 3070 42773 85546 213865 427730 13131311 26262622 65656555 131313110