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235131001541 is a prime number
BaseRepresentation
bin1101101011111011100…
…1100101101011000101
3211110220200110110202122
43122332321211223011
512323022014022131
6300003453215325
722662523352012
oct3327671455305
9743820413678
10235131001541
119079a358677
12396a0a91545
131923271c457
14b547b6c709
1561b277ed7b
hex36bee65ac5

235131001541 has 2 divisors, whose sum is σ = 235131001542. Its totient is φ = 235131001540.

The previous prime is 235131001531. The next prime is 235131001577. The reversal of 235131001541 is 145100131532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200712960100 + 34418041441 = 448010^2 + 185521^2 .

It is a cyclic number.

It is not a de Polignac number, because 235131001541 - 226 = 235063892677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 235131001541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235131001531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117565500770 + 117565500771.

It is an arithmetic number, because the mean of its divisors is an integer number (117565500771).

Almost surely, 2235131001541 is an apocalyptic number.

It is an amenable number.

235131001541 is a deficient number, since it is larger than the sum of its proper divisors (1).

235131001541 is an equidigital number, since it uses as much as digits as its factorization.

235131001541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 235131001541 in words is "two hundred thirty-five billion, one hundred thirty-one million, one thousand, five hundred forty-one".