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230131237337 = 701332814949
BaseRepresentation
bin1101011001010011100…
…1000000000111011001
3211000000020112010122122
43112110321000013121
512232302044043322
6253415411031025
722424603146001
oct3262471000731
9730006463578
10230131237337
11896640a1841
123872659b475
1318916943cb1
14b1d1b2d001
155ebd873442
hex3594e401d9

230131237337 has 4 divisors (see below), whose sum is σ = 230164059300. Its totient is φ = 230098415376.

The previous prime is 230131237307. The next prime is 230131237339. The reversal of 230131237337 is 733732131032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208377642256 + 21753595081 = 456484^2 + 147491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230131237337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230131237297 and 230131237306.

It is not an unprimeable number, because it can be changed into a prime (230131237339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16400462 + ... + 16414487.

It is an arithmetic number, because the mean of its divisors is an integer number (57541014825).

Almost surely, 2230131237337 is an apocalyptic number.

It is an amenable number.

230131237337 is a deficient number, since it is larger than the sum of its proper divisors (32821963).

230131237337 is an equidigital number, since it uses as much as digits as its factorization.

230131237337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32821962.

The product of its (nonzero) digits is 47628, while the sum is 35.

Adding to 230131237337 its reverse (733732131032), we get a palindrome (963863368369).

The spelling of 230131237337 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred thirty-seven thousand, three hundred thirty-seven".

Divisors: 1 7013 32814949 230131237337