101304440431 has 4 divisors (see below), whose sum is σ = 102586775200. Its totient is φ = 100022105664.

The previous prime is 101304440429. The next prime is 101304440437. The reversal of 101304440431 is 134044403101.

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

It is a cyclic number.

It is not a de Polignac number, because 101304440431 - 2¹ = 101304440429 is a prime.

It is a super-2 number, since 2×101304440431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101304440396 and 101304440405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101304440437) 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, 641167266 + ... + 641167423.

It is an arithmetic number, because the mean of its divisors is an integer number (25646693800).

Almost surely, 2^101304440431 is an apocalyptic number.

101304440431 is a deficient number, since it is larger than the sum of its proper divisors (1282334769).

101304440431 is an equidigital number, since it uses as much as digits as its factorization.

101304440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282334768.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 101304440431 its reverse (134044403101), we get a palindrome (235348843532).

The spelling of 101304440431 in words is "one hundred one billion, three hundred four million, four hundred forty thousand, four hundred thirty-one".