101340251 has 2 divisors, whose sum is σ = 101340252. Its totient is φ = 101340250.

The previous prime is 101340199. The next prime is 101340263. The reversal of 101340251 is 152043101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101340251 - 2²² = 97145947 is a prime.

It is not a weakly prime, because it can be changed into another prime (101340751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50670125 + 50670126.

It is an arithmetic number, because the mean of its divisors is an integer number (50670126).

Almost surely, 2^101340251 is an apocalyptic number.

101340251 is a deficient number, since it is larger than the sum of its proper divisors (1).

101340251 is an equidigital number, since it uses as much as digits as its factorization.

101340251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 101340251 is about 10066.7895080805. The cubic root of 101340251 is about 466.2233191325.

Adding to 101340251 its reverse (152043101), we get a palindrome (253383352).

The spelling of 101340251 in words is "one hundred one million, three hundred forty thousand, two hundred fifty-one".