103513522420 has 48 divisors (see below), whose sum is σ = 271017226368. Its totient is φ = 32263954560.

The previous prime is 103513522363. The next prime is 103513522433. The reversal of 103513522420 is 24225315301.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33606747 + ... + 33609826.

It is an arithmetic number, because the mean of its divisors is an integer number (5646192216).

Almost surely, 2^103513522420 is an apocalyptic number.

103513522420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103513522420 is an abundant number, since it is smaller than the sum of its proper divisors (167503703948).

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

103513522420 is a wasteful number, since it uses less digits than its factorization.

103513522420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67216600 (or 67216598 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 103513522420 its reverse (24225315301), we get a palindrome (127738837721).

The spelling of 103513522420 in words is "one hundred three billion, five hundred thirteen million, five hundred twenty-two thousand, four hundred twenty".