103311311250 has 160 divisors (see below), whose sum is σ = 298402980480. Its totient is φ = 23348160000.

The previous prime is 103311311179. The next prime is 103311311251. The reversal of 103311311250 is 52113113301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103311311251) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2314140 + ... + 2358360.

It is an arithmetic number, because the mean of its divisors is an integer number (1865018628).

Almost surely, 2^103311311250 is an apocalyptic number.

103311311250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103311311250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149201490240).

103311311250 is an abundant number, since it is smaller than the sum of its proper divisors (195091669230).

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

103311311250 is an equidigital number, since it uses as much as digits as its factorization.

103311311250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44342 (or 44327 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 103311311250 its reverse (52113113301), we get a palindrome (155424424551).

The spelling of 103311311250 in words is "one hundred three billion, three hundred eleven million, three hundred eleven thousand, two hundred fifty".