10103031420 has 96 divisors (see below), whose sum is σ = 28553817600. Its totient is φ = 2668972800.

The previous prime is 10103031401. The next prime is 10103031431. The reversal of 10103031420 is 2413030101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10103031420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3959145 + ... + 3961695.

It is an arithmetic number, because the mean of its divisors is an integer number (297435600).

Almost surely, 2^10103031420 is an apocalyptic number.

10103031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10103031420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14276908800).

10103031420 is an abundant number, since it is smaller than the sum of its proper divisors (18450786180).

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

10103031420 is a wasteful number, since it uses less digits than its factorization.

10103031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10103031420 its reverse (2413030101), we get a palindrome (12516061521).

The spelling of 10103031420 in words is "ten billion, one hundred three million, thirty-one thousand, four hundred twenty".