103031242512 has 360 divisors, whose sum is σ = 309928746624. Its totient is φ = 29437056000.

The previous prime is 103031242511. The next prime is 103031242519. The reversal of 103031242512 is 215242130301.

103031242512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (103031242511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1020111262 + ... + 1020111362.

Almost surely, 2^103031242512 is an apocalyptic number.

103031242512 is a gapful number since it is divisible by the number (12) 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 103031242512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154964373312).

103031242512 is an abundant number, since it is smaller than the sum of its proper divisors (206897504112).

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

103031242512 is a wasteful number, since it uses less digits than its factorization.

103031242512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 103031242512 its reverse (215242130301), we get a palindrome (318273372813).

It can be divided in two parts, 103031 and 242512, that added together give a palindrome (345543).

The spelling of 103031242512 in words is "one hundred three billion, thirty-one million, two hundred forty-two thousand, five hundred twelve".