231022100513201 has 2 divisors, whose sum is σ = 231022100513202. Its totient is φ = 231022100513200.

The previous prime is 231022100513179. The next prime is 231022100513291. The reversal of 231022100513201 is 102315001220132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226423644864400 + 4598455648801 = 15047380^2 + 2144401^2 .

It is a cyclic number.

It is not a de Polignac number, because 231022100513201 - 2⁴² = 226624054002097 is a prime.

It is not a weakly prime, because it can be changed into another prime (231022100513291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115511050256600 + 115511050256601.

It is an arithmetic number, because the mean of its divisors is an integer number (115511050256601).

Almost surely, 2^{231022100513201} is an apocalyptic number.

It is an amenable number.

231022100513201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231022100513201 is an equidigital number, since it uses as much as digits as its factorization.

231022100513201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 231022100513201 its reverse (102315001220132), we get a palindrome (333337101733333).

The spelling of 231022100513201 in words is "two hundred thirty-one trillion, twenty-two billion, one hundred million, five hundred thirteen thousand, two hundred one".