101321531541 has 24 divisors (see below), whose sum is σ = 150112847456. Its totient is φ = 65819990880.

The previous prime is 101321531497. The next prime is 101321531573. The reversal of 101321531541 is 145135123101.

101321531541 is a `hidden beast` number, since 101 + 3 + 2 + 15 + 3 + 1 + 541 = 666.

It is not a de Polignac number, because 101321531541 - 2⁷ = 101321531413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321531141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148015 + ... + 473868.

Almost surely, 2^101321531541 is an apocalyptic number.

It is an amenable number.

101321531541 is a deficient number, since it is larger than the sum of its proper divisors (48791315915).

101321531541 is a wasteful number, since it uses less digits than its factorization.

101321531541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622353 (or 622350 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 101321531541 its reverse (145135123101), we get a palindrome (246456654642).

The spelling of 101321531541 in words is "one hundred one billion, three hundred twenty-one million, five hundred thirty-one thousand, five hundred forty-one".