101103431420 has 12 divisors (see below), whose sum is σ = 212317206024. Its totient is φ = 40441372560.

The previous prime is 101103431417. The next prime is 101103431459. The reversal of 101103431420 is 24134301101.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5055171571 = 101103431420 / (1 + 0 + 1 + 1 + 0 + 3 + 4 + 3 + 1 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 101103431392 and 101103431401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527585766 + ... + 2527585805.

It is an arithmetic number, because the mean of its divisors is an integer number (17693100502).

Almost surely, 2^101103431420 is an apocalyptic number.

101103431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101103431420 is an abundant number, since it is smaller than the sum of its proper divisors (111213774604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101103431420 is a wasteful number, since it uses less digits than its factorization.

101103431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055171580 (or 5055171578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101103431420 its reverse (24134301101), we get a palindrome (125237732521).

The spelling of 101103431420 in words is "one hundred one billion, one hundred three million, four hundred thirty-one thousand, four hundred twenty".