Search a number
-
+
131103213151 = 2394013136693
BaseRepresentation
bin111101000011001011…
…1000100011001011111
3110112101210211021120011
41322012113010121133
54121444410310101
6140121124504051
712320600632141
oct1720627043137
9415353737504
10131103213151
1150667389539
12214aa24b027
13c49460bb91
1464b9c02c91
153624b31751
hex1e865c465f

131103213151 has 8 divisors (see below), whose sum is σ = 131685531840. Its totient is φ = 130521176352.

The previous prime is 131103213127. The next prime is 131103213167. The reversal of 131103213151 is 151312301131.

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 131103213151 - 27 = 131103213023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103217151) 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, 890761 + ... + 1027453.

It is an arithmetic number, because the mean of its divisors is an integer number (16460691480).

Almost surely, 2131103213151 is an apocalyptic number.

131103213151 is a deficient number, since it is larger than the sum of its proper divisors (582318689).

131103213151 is a wasteful number, since it uses less digits than its factorization.

131103213151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140945.

The product of its (nonzero) digits is 270, while the sum is 22.

Adding to 131103213151 its reverse (151312301131), we get a palindrome (282415514282).

The spelling of 131103213151 in words is "one hundred thirty-one billion, one hundred three million, two hundred thirteen thousand, one hundred fifty-one".

Divisors: 1 239 4013 136693 959107 32669627 548549009 131103213151