1231000102003 has 16 divisors (see below), whose sum is σ = 1431701340160. Its totient is φ = 1036671211296.

The previous prime is 1231000101959. The next prime is 1231000102009. The reversal of 1231000102003 is 3002010001321.

It is not a de Polignac number, because 1231000102003 - 2²¹ = 1230998004851 is a prime.

It is a super-2 number, since 2×1231000102003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231000102009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6630288 + ... + 6813421.

It is an arithmetic number, because the mean of its divisors is an integer number (89481333760).

Almost surely, 2^{1231000102003} is an apocalyptic number.

1231000102003 is a deficient number, since it is larger than the sum of its proper divisors (200701238157).

1231000102003 is a wasteful number, since it uses less digits than its factorization.

1231000102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443946.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1231000102003 its reverse (3002010001321), we get a palindrome (4233010103324).

The spelling of 1231000102003 in words is "one trillion, two hundred thirty-one billion, one hundred two thousand, three".