100151321 has 2 divisors, whose sum is σ = 100151322. Its totient is φ = 100151320.

The previous prime is 100151273. The next prime is 100151323. The reversal of 100151321 is 123151001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100000000 + 151321 = 10000^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 100151321 - 2¹⁸ = 99889177 is a prime.

Together with 100151323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100151296 and 100151305.

It is not a weakly prime, because it can be changed into another prime (100151323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50075660 + 50075661.

It is an arithmetic number, because the mean of its divisors is an integer number (50075661).

Almost surely, 2^100151321 is an apocalyptic number.

It is an amenable number.

100151321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100151321 is an equidigital number, since it uses as much as digits as its factorization.

100151321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 100151321 is about 10007.5631899079. The cubic root of 100151321 is about 464.3928886559.

It can be divided in two parts, 100 and 151321, that multiplied together give a square (15132100 = 3890²).

The spelling of 100151321 in words is "one hundred million, one hundred fifty-one thousand, three hundred twenty-one".