101431314421 has 2 divisors, whose sum is σ = 101431314422. Its totient is φ = 101431314420.

The previous prime is 101431314371. The next prime is 101431314469. The reversal of 101431314421 is 124413134101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100736412100 + 694902321 = 317390^2 + 26361^2 .

It is a cyclic number.

It is not a de Polignac number, because 101431314421 - 2¹⁹ = 101430790133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101431314221) 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, 50715657210 + 50715657211.

It is an arithmetic number, because the mean of its divisors is an integer number (50715657211).

Almost surely, 2^101431314421 is an apocalyptic number.

It is an amenable number.

101431314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

101431314421 is an equidigital number, since it uses as much as digits as its factorization.

101431314421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 101431314421 its reverse (124413134101), we get a palindrome (225844448522).

The spelling of 101431314421 in words is "one hundred one billion, four hundred thirty-one million, three hundred fourteen thousand, four hundred twenty-one".