100140421331 has 2 divisors, whose sum is σ = 100140421332. Its totient is φ = 100140421330.

The previous prime is 100140421309. The next prime is 100140421351. The reversal of 100140421331 is 133124041001.

It is an a-pointer prime, because the next prime (100140421351) can be obtained adding 100140421331 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100140421331 - 2²² = 100136227027 is a prime.

It is a super-2 number, since 2×100140421331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100140421351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50070210665 + 50070210666.

It is an arithmetic number, because the mean of its divisors is an integer number (50070210666).

Almost surely, 2^100140421331 is an apocalyptic number.

100140421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

100140421331 is an equidigital number, since it uses as much as digits as its factorization.

100140421331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100140421331 its reverse (133124041001), we get a palindrome (233264462332).

The spelling of 100140421331 in words is "one hundred billion, one hundred forty million, four hundred twenty-one thousand, three hundred thirty-one".