10103131122312 has 16 divisors (see below), whose sum is σ = 25257827805840. Its totient is φ = 3367710374096.

The previous prime is 10103131122281. The next prime is 10103131122317. The reversal of 10103131122312 is 21322113130101.

It is not an unprimeable number, because it can be changed into a prime (10103131122317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210481898358 + ... + 210481898405.

It is an arithmetic number, because the mean of its divisors is an integer number (1578614237865).

Almost surely, 2^{10103131122312} is an apocalyptic number.

10103131122312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10103131122312 is an abundant number, since it is smaller than the sum of its proper divisors (15154696683528).

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

10103131122312 is a wasteful number, since it uses less digits than its factorization.

10103131122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420963796772 (or 420963796768 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 10103131122312 its reverse (21322113130101), we get a palindrome (31425244252413).

The spelling of 10103131122312 in words is "ten trillion, one hundred three billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred twelve".