101041531 has 4 divisors (see below), whose sum is σ = 101360592. Its totient is φ = 100722472.

The previous prime is 101041517. The next prime is 101041541. The reversal of 101041531 is 135140101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135140101 = 3491 ⋅38711.

It is a cyclic number.

It is not a de Polignac number, because 101041531 - 2²⁵ = 67487099 is a prime.

It is a super-2 number, since 2×101041531² = 20418781973647922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101041541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159055 + ... + 159688.

It is an arithmetic number, because the mean of its divisors is an integer number (25340148).

Almost surely, 2^101041531 is an apocalyptic number.

101041531 is a deficient number, since it is larger than the sum of its proper divisors (319061).

101041531 is an equidigital number, since it uses as much as digits as its factorization.

101041531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319060.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 101041531 is about 10051.9416532330. The cubic root of 101041531 is about 465.7647738028.

Adding to 101041531 its reverse (135140101), we get a palindrome (236181632).

The spelling of 101041531 in words is "one hundred one million, forty-one thousand, five hundred thirty-one".