101431402441 has 4 divisors (see below), whose sum is σ = 101490273232. Its totient is φ = 101372531652.

The previous prime is 101431402439. The next prime is 101431402447. The reversal of 101431402441 is 144204134101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101431402441 - 2¹ = 101431402439 is a prime.

It is a super-2 number, since 2×101431402441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101431402447) 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, 29432811 + ... + 29436256.

It is an arithmetic number, because the mean of its divisors is an integer number (25372568308).

Almost surely, 2^101431402441 is an apocalyptic number.

It is an amenable number.

101431402441 is a deficient number, since it is larger than the sum of its proper divisors (58870791).

101431402441 is an equidigital number, since it uses as much as digits as its factorization.

101431402441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58870790.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 101431402441 its reverse (144204134101), we get a palindrome (245635536542).

The spelling of 101431402441 in words is "one hundred one billion, four hundred thirty-one million, four hundred two thousand, four hundred forty-one".