1031030203145 has 16 divisors (see below), whose sum is σ = 1243007838720. Its totient is φ = 820982347200.

The previous prime is 1031030203129. The next prime is 1031030203309. The reversal of 1031030203145 is 5413020301301.

It is not a de Polignac number, because 1031030203145 - 2⁴ = 1031030203129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031030203145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027991 + ... + 1766019.

It is an arithmetic number, because the mean of its divisors is an integer number (77687989920).

Almost surely, 2^{1031030203145} is an apocalyptic number.

It is an amenable number.

1031030203145 is a deficient number, since it is larger than the sum of its proper divisors (211977635575).

1031030203145 is a wasteful number, since it uses less digits than its factorization.

1031030203145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739336.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1031030203145 its reverse (5413020301301), we get a palindrome (6444050504446).

The spelling of 1031030203145 in words is "one trillion, thirty-one billion, thirty million, two hundred three thousand, one hundred forty-five".