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12100311231331 is a prime number
BaseRepresentation
bin1011000000010101001011…
…0000001010101101100011
31120211210000111100122011111
42300011102300022231203
53041222414133400311
641422450051524151
72356134664266001
oct260052260125543
946753014318144
1012100311231331
113945793265684
1214351558b9657
1369a09283027b
142db9300d7a71
1515eb54636d21
hexb0152c0ab63

12100311231331 has 2 divisors, whose sum is σ = 12100311231332. Its totient is φ = 12100311231330.

The previous prime is 12100311231311. The next prime is 12100311231343. The reversal of 12100311231331 is 13313211300121.

It is a strong prime.

It is an emirp because it is prime and its reverse (13313211300121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12100311231331 - 25 = 12100311231299 is a prime.

It is a super-2 number, since 2×121003112313312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12100311231311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050155615665 + 6050155615666.

It is an arithmetic number, because the mean of its divisors is an integer number (6050155615666).

Almost surely, 212100311231331 is an apocalyptic number.

12100311231331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100311231331 is an equidigital number, since it uses as much as digits as its factorization.

12100311231331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12100311231331 its reverse (13313211300121), we get a palindrome (25413522531452).

The spelling of 12100311231331 in words is "twelve trillion, one hundred billion, three hundred eleven million, two hundred thirty-one thousand, three hundred thirty-one".