103121311132 has 48 divisors (see below), whose sum is σ = 217141908480. Its totient is φ = 41860238400.

The previous prime is 103121311129. The next prime is 103121311199. The reversal of 103121311132 is 231113121301.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021282 + ... + 3055222.

It is an arithmetic number, because the mean of its divisors is an integer number (4523789760).

Almost surely, 2^103121311132 is an apocalyptic number.

It is an amenable number.

103121311132 is an abundant number, since it is smaller than the sum of its proper divisors (114020597348).

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

103121311132 is a wasteful number, since it uses less digits than its factorization.

103121311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39682 (or 39680 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 103121311132 its reverse (231113121301), we get a palindrome (334234432433).

The spelling of 103121311132 in words is "one hundred three billion, one hundred twenty-one million, three hundred eleven thousand, one hundred thirty-two".