101541240431 has 4 divisors (see below), whose sum is σ = 107514254592. Its totient is φ = 95568226272.

The previous prime is 101541240347. The next prime is 101541240469. The reversal of 101541240431 is 134042145101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101541240431 is a prime.

It is a super-2 number, since 2×101541240431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101541240431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101541240131) 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, 2986507055 + ... + 2986507088.

It is an arithmetic number, because the mean of its divisors is an integer number (26878563648).

Almost surely, 2^101541240431 is an apocalyptic number.

101541240431 is a deficient number, since it is larger than the sum of its proper divisors (5973014161).

101541240431 is an equidigital number, since it uses as much as digits as its factorization.

101541240431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973014160.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 101541240431 its reverse (134042145101), we get a palindrome (235583385532).

The spelling of 101541240431 in words is "one hundred one billion, five hundred forty-one million, two hundred forty thousand, four hundred thirty-one".