1203031103420 has 12 divisors (see below), whose sum is σ = 2526365317224. Its totient is φ = 481212441360.

The previous prime is 1203031103411. The next prime is 1203031103441. The reversal of 1203031103420 is 243011303021.

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: 60151555171 = 1203031103420 / (1 + 2 + 0 + 3 + 0 + 3 + 1 + 1 + 0 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1203031103392 and 1203031103401.

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, 30075777566 + ... + 30075777605.

It is an arithmetic number, because the mean of its divisors is an integer number (210530443102).

Almost surely, 2^{1203031103420} is an apocalyptic number.

1203031103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203031103420 is an abundant number, since it is smaller than the sum of its proper divisors (1323334213804).

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

1203031103420 is a wasteful number, since it uses less digits than its factorization.

1203031103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60151555180 (or 60151555178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1203031103420 its reverse (243011303021), we get a palindrome (1446042406441).

The spelling of 1203031103420 in words is "one trillion, two hundred three billion, thirty-one million, one hundred three thousand, four hundred twenty".