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231122630433 = 31729672332381
BaseRepresentation
bin1101011100111111111…
…0110111011100100001
3211002120100000010022110
43113033332313130201
512241314343133213
6254102024025533
722461301641612
oct3271776673441
9732510003273
10231122630433
118a022777082
12389626022a9
1318a44159726
14b287679c09
15602a9045c3
hex35cffb7721

231122630433 has 32 divisors (see below), whose sum is σ = 342580268160. Its totient is φ = 137927623680.

The previous prime is 231122630393. The next prime is 231122630471. The reversal of 231122630433 is 334036221132.

It is not a de Polignac number, because 231122630433 - 28 = 231122630177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231122630433.

It is not an unprimeable number, because it can be changed into a prime (231122630533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1067098 + ... + 1265283.

It is an arithmetic number, because the mean of its divisors is an integer number (10705633380).

Almost surely, 2231122630433 is an apocalyptic number.

It is an amenable number.

231122630433 is a deficient number, since it is larger than the sum of its proper divisors (111457637727).

231122630433 is a wasteful number, since it uses less digits than its factorization.

231122630433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332497.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 231122630433 its reverse (334036221132), we get a palindrome (565158851565).

The spelling of 231122630433 in words is "two hundred thirty-one billion, one hundred twenty-two million, six hundred thirty thousand, four hundred thirty-three".

Divisors: 1 3 17 29 51 67 87 201 493 1139 1479 1943 3417 5829 33031 99093 2332381 6997143 39650477 67639049 118951431 156269527 202917147 468808581 1149863833 2656581959 3449591499 4531816283 7969745877 13595448849 77040876811 231122630433