103442131023420 has 192 divisors, whose sum is σ = 345482546282496. Its totient is φ = 22610957656320.

The previous prime is 103442131023389. The next prime is 103442131023421. The reversal of 103442131023420 is 24320131244301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103442131023421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42944865 + ... + 45289575.

It is an arithmetic number, because the mean of its divisors is an integer number (1799388261888).

Almost surely, 2^{103442131023420} is an apocalyptic number.

103442131023420 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 103442131023420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172741273141248).

103442131023420 is an abundant number, since it is smaller than the sum of its proper divisors (242040415259076).

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

103442131023420 is a wasteful number, since it uses less digits than its factorization.

103442131023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349320 (or 2349318 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 103442131023420 its reverse (24320131244301), we get a palindrome (127762262267721).

The spelling of 103442131023420 in words is "one hundred three trillion, four hundred forty-two billion, one hundred thirty-one million, twenty-three thousand, four hundred twenty".