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231302202113 = 175910115115121
BaseRepresentation
bin1101011101101010101…
…1111000001100000001
3211010000211220022100102
43113122223320030001
512242201330431423
6254131520532145
722465612164323
oct3273253701401
9733024808312
10231302202113
118a105076a24
12389b2781055
1318a72410668
14b2a3461613
15603b575c28
hex35daaf8301

231302202113 has 32 divisors (see below), whose sum is σ = 253207607040. Its totient is φ = 210470400000.

The previous prime is 231302202107. The next prime is 231302202133. The reversal of 231302202113 is 311202203132.

231302202113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231302202113 - 26 = 231302202049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231302202133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15289193 + ... + 15304313.

It is an arithmetic number, because the mean of its divisors is an integer number (7912737720).

Almost surely, 2231302202113 is an apocalyptic number.

It is an amenable number.

231302202113 is a deficient number, since it is larger than the sum of its proper divisors (21905404927).

231302202113 is a wasteful number, since it uses less digits than its factorization.

231302202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231302202113 its reverse (311202203132), we get a palindrome (542504405245).

The spelling of 231302202113 in words is "two hundred thirty-one billion, three hundred two million, two hundred two thousand, one hundred thirteen".

Divisors: 1 17 59 101 151 1003 1717 2567 5959 8909 15121 15251 101303 151453 257057 259267 892139 899809 1527221 2283271 15166363 15296753 25962757 38815607 90106039 134712989 230610371 1531802663 2290120813 3920376307 13606011889 231302202113