101431003393 has 2 divisors, whose sum is σ = 101431003394. Its totient is φ = 101431003392.

The previous prime is 101431003379. The next prime is 101431003417. The reversal of 101431003393 is 393300134101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51598031104 + 49832972289 = 227152^2 + 223233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101431003393 is a prime.

It is not a weakly prime, because it can be changed into another prime (101431003343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50715501696 + 50715501697.

It is an arithmetic number, because the mean of its divisors is an integer number (50715501697).

Almost surely, 2^101431003393 is an apocalyptic number.

It is an amenable number.

101431003393 is a deficient number, since it is larger than the sum of its proper divisors (1).

101431003393 is an equidigital number, since it uses as much as digits as its factorization.

101431003393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 101431003393 its reverse (393300134101), we get a palindrome (494731137494).

The spelling of 101431003393 in words is "one hundred one billion, four hundred thirty-one million, three thousand, three hundred ninety-three".