103103001000 has 192 divisors, whose sum is σ = 349754680080. Its totient is φ = 27394214400.

The previous prime is 103103000989. The next prime is 103103001011. The reversal of 103103001000 is 100301301.

It is an interprime number because it is at equal distance from previous prime (103103000989) and next prime (103103001011).

It can be written as a sum of positive squares in 8 ways, for example, as 819447876 + 102283553124 = 28626^2 + 319818^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2472322 + ... + 2513678.

Almost surely, 2^103103001000 is an apocalyptic number.

103103001000 is a gapful number since it is divisible by the number (10) 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 103103001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174877340040).

103103001000 is an abundant number, since it is smaller than the sum of its proper divisors (246651679080).

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

103103001000 is a wasteful number, since it uses less digits than its factorization.

103103001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41661 (or 41644 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 103103001000 its reverse (100301301), we get a palindrome (103203302301).

The spelling of 103103001000 in words is "one hundred three billion, one hundred three million, one thousand".