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131312320301 = 4571356721179
BaseRepresentation
bin111101001001011010…
…0101111111100101101
3110112221101022000122102
41322102310233330231
54122411423222201
6140153554424445
712326020210031
oct1722264577455
9415841260572
10131312320301
1150764421868
1221548292125
13c4c8a34516
1464d98b61c1
15363818926b
hex1e92d2ff2d

131312320301 has 8 divisors (see below), whose sum is σ = 131615569920. Its totient is φ = 131009141088.

The previous prime is 131312320277. The next prime is 131312320369. The reversal of 131312320301 is 103023213131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131312320301 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 (131312323301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189530 + ... + 6210708.

It is an arithmetic number, because the mean of its divisors is an integer number (16451946240).

Almost surely, 2131312320301 is an apocalyptic number.

It is an amenable number.

131312320301 is a deficient number, since it is larger than the sum of its proper divisors (303249619).

131312320301 is a wasteful number, since it uses less digits than its factorization.

131312320301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35203.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131312320301 its reverse (103023213131), we get a palindrome (234335533432).

The spelling of 131312320301 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred twenty thousand, three hundred one".

Divisors: 1 457 13567 21179 6200119 9678803 287335493 131312320301