1031023100203 has 16 divisors (see below), whose sum is σ = 1118504165184. Its totient is φ = 946532183040.

The previous prime is 1031023100197. The next prime is 1031023100209. The reversal of 1031023100203 is 3020013201301.

It is an interprime number because it is at equal distance from previous prime (1031023100197) and next prime (1031023100209).

It is a cyclic number.

It is not a de Polignac number, because 1031023100203 - 2²⁵ = 1030989545771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031023100209) 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, 3718501 + ... + 3986137.

It is an arithmetic number, because the mean of its divisors is an integer number (69906510324).

Almost surely, 2^{1031023100203} is an apocalyptic number.

1031023100203 is a deficient number, since it is larger than the sum of its proper divisors (87481064981).

1031023100203 is a wasteful number, since it uses less digits than its factorization.

1031023100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273222.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031023100203 its reverse (3020013201301), we get a palindrome (4051036301504).

The spelling of 1031023100203 in words is "one trillion, thirty-one billion, twenty-three million, one hundred thousand, two hundred three".