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131130411 = 3733131913
BaseRepresentation
bin1111101000011…
…10010000101011
3100010202010002220
413310032100223
5232032133121
621002325123
73151406256
oct764162053
9303663086
10131130411
1168024245
1237ab97a3
1321223179
14135b609d
15b7a36c6
hex7d0e42b

131130411 has 16 divisors (see below), whose sum is σ = 177894816. Its totient is φ = 85902336.

The previous prime is 131130361. The next prime is 131130437. The reversal of 131130411 is 114031131.

It is not a de Polignac number, because 131130411 - 26 = 131130347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131130451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67591 + ... + 69503.

It is an arithmetic number, because the mean of its divisors is an integer number (11118426).

Almost surely, 2131130411 is an apocalyptic number.

131130411 is a deficient number, since it is larger than the sum of its proper divisors (46764405).

131130411 is a wasteful number, since it uses less digits than its factorization.

131130411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 131130411 is about 11451.2187560975. The cubic root of 131130411 is about 508.0437825224.

Adding to 131130411 its reverse (114031131), we get a palindrome (245161542).

The spelling of 131130411 in words is "one hundred thirty-one million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 3 73 219 313 939 1913 5739 22849 68547 139649 418947 598769 1796307 43710137 131130411