103031012120020 has 48 divisors (see below), whose sum is σ = 223827558690960. Its totient is φ = 39791008889856.

The previous prime is 103031012120017. The next prime is 103031012120041. The reversal of 103031012120020 is 20021210130301.

It can be written as a sum of positive squares in 8 ways, for example, as 2678341726096 + 100352670393924 = 1636564^2 + 10017618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103031012119976 and 103031012120003.

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, 94959304 + ... + 96038176.

It is an arithmetic number, because the mean of its divisors is an integer number (4663074139395).

Almost surely, 2^{103031012120020} is an apocalyptic number.

103031012120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103031012120020 is an abundant number, since it is smaller than the sum of its proper divisors (120796546570940).

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

103031012120020 is a wasteful number, since it uses less digits than its factorization.

103031012120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243564 (or 1243562 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103031012120020 its reverse (20021210130301), we get a palindrome (123052222250321).

The spelling of 103031012120020 in words is "one hundred three trillion, thirty-one billion, twelve million, one hundred twenty thousand, twenty".