1013231103000 has 128 divisors (see below), whose sum is σ = 3164480317440. Its totient is φ = 269921520000.

The previous prime is 1013231102957. The next prime is 1013231103023. The reversal of 1013231103000 is 3011323101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2802595 + ... + 3143405.

It is an arithmetic number, because the mean of its divisors is an integer number (24722502480).

Almost surely, 2^{1013231103000} is an apocalyptic number.

1013231103000 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 1013231103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582240158720).

1013231103000 is an abundant number, since it is smaller than the sum of its proper divisors (2151249214440).

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

1013231103000 is a wasteful number, since it uses less digits than its factorization.

1013231103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341826 (or 341812 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1013231103000 its reverse (3011323101), we get a palindrome (1016242426101).

The spelling of 1013231103000 in words is "one trillion, thirteen billion, two hundred thirty-one million, one hundred three thousand".