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231125357 is a prime number
BaseRepresentation
bin11011100011010…
…11000101101101
3121002220101101102
431301223011231
5433132002412
634533452445
75504350601
oct1561530555
9532811342
10231125357
111095119a1
12654a1125
1338b64588
14229a5501
15154568c2
hexdc6b16d

231125357 has 2 divisors, whose sum is σ = 231125358. Its totient is φ = 231125356.

The previous prime is 231125351. The next prime is 231125371. The reversal of 231125357 is 753521132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230462761 + 662596 = 15181^2 + 814^2 .

It is a cyclic number.

It is not a de Polignac number, because 231125357 - 222 = 226931053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231125351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115562678 + 115562679.

It is an arithmetic number, because the mean of its divisors is an integer number (115562679).

Almost surely, 2231125357 is an apocalyptic number.

It is an amenable number.

231125357 is a deficient number, since it is larger than the sum of its proper divisors (1).

231125357 is an equidigital number, since it uses as much as digits as its factorization.

231125357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 231125357 is about 15202.8075367677. The cubic root of 231125357 is about 613.6902144482.

Adding to 231125357 its reverse (753521132), we get a palindrome (984646489).

The spelling of 231125357 in words is "two hundred thirty-one million, one hundred twenty-five thousand, three hundred fifty-seven".