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131030012230201 = 7223318345186331
BaseRepresentation
bin11101110010101111001101…
…010101010111101000111001
3122011221100100211201222022101
4131302233031111113220321
5114133243431112331301
61142402205010423401
736412414565205100
oct3562571525275071
9564840324658271
10131030012230201
1138828574a5a957
12128425b1b91b61
135816100608806
14244dc5a515037
1510235d0a52701
hex772bcd557a39

131030012230201 has 48 divisors (see below), whose sum is σ = 166158457049088. Its totient is φ = 102710335543200.

The previous prime is 131030012230151. The next prime is 131030012230291. The reversal of 131030012230201 is 102032210030131.

It is not a de Polignac number, because 131030012230201 - 231 = 131027864746553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131030012230291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19693395 + ... + 25492936.

It is an arithmetic number, because the mean of its divisors is an integer number (3461634521856).

Almost surely, 2131030012230201 is an apocalyptic number.

It is an amenable number.

131030012230201 is a deficient number, since it is larger than the sum of its proper divisors (35128444818887).

131030012230201 is a wasteful number, since it uses less digits than its factorization.

131030012230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45186482 (or 45186475 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131030012230201 its reverse (102032210030131), we get a palindrome (233062222260332).

The spelling of 131030012230201 in words is "one hundred thirty-one trillion, thirty billion, twelve million, two hundred thirty thousand, two hundred one".

Divisors: 1 7 23 31 49 83 161 217 581 713 1127 1519 1909 2573 4067 4991 13363 18011 34937 59179 93541 126077 414253 2899771 45186331 316304317 1039285613 1400776261 2214130219 3750465473 7274999291 9805433827 26253258311 32217854003 50924995037 68638036789 86260705879 116264429663 183772808177 225524978021 603824941153 813851007641 1578674846147 2674081882249 4226774588071 5696957053487 18718573175743 131030012230201