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231201331303 is a prime number
BaseRepresentation
bin1101011101010010101…
…1000101100001100111
3211002202211002112121111
43113110223011201213
512242000020100203
6254113514525451
722463245614325
oct3272453054147
9732684075544
10231201331303
118a063140218
1238984a36887
1318a575536a7
14b293cc4d15
15603279d26d
hex35d4ac5867

231201331303 has 2 divisors, whose sum is σ = 231201331304. Its totient is φ = 231201331302.

The previous prime is 231201331297. The next prime is 231201331327. The reversal of 231201331303 is 303133102132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231201331303 - 237 = 93762377831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231201331373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115600665651 + 115600665652.

It is an arithmetic number, because the mean of its divisors is an integer number (115600665652).

Almost surely, 2231201331303 is an apocalyptic number.

231201331303 is a deficient number, since it is larger than the sum of its proper divisors (1).

231201331303 is an equidigital number, since it uses as much as digits as its factorization.

231201331303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231201331303 its reverse (303133102132), we get a palindrome (534334433435).

The spelling of 231201331303 in words is "two hundred thirty-one billion, two hundred one million, three hundred thirty-one thousand, three hundred three".