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131213423301 = 3671635217687
BaseRepresentation
bin111101000110011101…
…1011111001011000101
3110112200111012112110120
41322030323133023011
54122211114021201
6140140103012153
712323406460422
oct1721473371305
9415614175416
10131213423301
1150713614004
122151b13a059
13c4b13b8a9c
1464ca6d0d49
15362e651536
hex1e8cedf2c5

131213423301 has 32 divisors (see below), whose sum is σ = 179017970688. Its totient is φ = 85465860480.

The previous prime is 131213423291. The next prime is 131213423317. The reversal of 131213423301 is 103324312131.

It is not a de Polignac number, because 131213423301 - 211 = 131213421253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213423351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17065680 + ... + 17073366.

It is an arithmetic number, because the mean of its divisors is an integer number (5594311584).

Almost surely, 2131213423301 is an apocalyptic number.

It is an amenable number.

131213423301 is a deficient number, since it is larger than the sum of its proper divisors (47804547387).

131213423301 is a wasteful number, since it uses less digits than its factorization.

131213423301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8441.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 131213423301 its reverse (103324312131), we get a palindrome (234537735432).

The spelling of 131213423301 in words is "one hundred thirty-one billion, two hundred thirteen million, four hundred twenty-three thousand, three hundred one".

Divisors: 1 3 67 163 201 489 521 1563 7687 10921 23061 32763 34907 84923 104721 254769 515029 1252981 1545087 3758943 4004927 5689841 12014781 17069523 83949727 251849181 268330109 652803101 804990327 1958409303 43737807767 131213423301