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230431211301 = 3613793322393
BaseRepresentation
bin1101011010011011000…
…1010011111100100101
3211000210010222101120110
43112212301103330211
512233410342230201
6253505244323233
722435204656444
oct3264661237445
9730703871513
10230431211301
11897a8458705
12387aab43519
1318963b32c95
14b21d8d6d5b
155ed9d796d6
hex35a6c53f25

230431211301 has 16 divisors (see below), whose sum is σ = 313102410560. Its totient is φ = 150703701120.

The previous prime is 230431211281. The next prime is 230431211323. The reversal of 230431211301 is 103112134032.

It is not a de Polignac number, because 230431211301 - 215 = 230431178533 is a prime.

It is a super-2 number, since 2×2304312113012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230431211501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1591840 + ... + 1730553.

It is an arithmetic number, because the mean of its divisors is an integer number (19568900660).

Almost surely, 2230431211301 is an apocalyptic number.

It is an amenable number.

230431211301 is a deficient number, since it is larger than the sum of its proper divisors (82671199259).

230431211301 is a wasteful number, since it uses less digits than its factorization.

230431211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322836.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 230431211301 its reverse (103112134032), we get a palindrome (333543345333).

The spelling of 230431211301 in words is "two hundred thirty billion, four hundred thirty-one million, two hundred eleven thousand, three hundred one".

Divisors: 1 3 61 183 379 1137 23119 69357 3322393 9967179 202665973 607997919 1259186947 3777560841 76810403767 230431211301