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131031223111301 is a prime number
BaseRepresentation
bin11101110010110000010101…
…100000100000111010000101
3122011221110111020020002220112
4131302300111200200322011
5114133303421104030201
61142402525104042405
736412456600422512
oct3562602540407205
9564843436202815
10131031223111301
1138829036518837
121284288b603405
13581626443c8c6
14244dd33278309
151023651edc0bb
hex772c15820e85

131031223111301 has 2 divisors, whose sum is σ = 131031223111302. Its totient is φ = 131031223111300.

The previous prime is 131031223111267. The next prime is 131031223111363. The reversal of 131031223111301 is 103111322130131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91424213683201 + 39607009428100 = 9561601^2 + 6293410^2 .

It is a cyclic number.

It is not a de Polignac number, because 131031223111301 - 26 = 131031223111237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131031223111501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515611555650 + 65515611555651.

It is an arithmetic number, because the mean of its divisors is an integer number (65515611555651).

Almost surely, 2131031223111301 is an apocalyptic number.

It is an amenable number.

131031223111301 is a deficient number, since it is larger than the sum of its proper divisors (1).

131031223111301 is an equidigital number, since it uses as much as digits as its factorization.

131031223111301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 131031223111301 its reverse (103111322130131), we get a palindrome (234142545241432).

The spelling of 131031223111301 in words is "one hundred thirty-one trillion, thirty-one billion, two hundred twenty-three million, one hundred eleven thousand, three hundred one".