1023131021103 has 12 divisors (see below), whose sum is σ = 1477896112368. Its totient is φ = 682068796800.

The previous prime is 1023131021069. The next prime is 1023131021153. The reversal of 1023131021103 is 3011201313201.

1023131021103 is a `hidden beast` number, since 1 + 0 + 231 + 310 + 21 + 103 = 666.

It is not a de Polignac number, because 1023131021103 - 2⁶ = 1023131021039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023131021153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1192323 + ... + 1862228.

It is an arithmetic number, because the mean of its divisors is an integer number (123158009364).

Almost surely, 2^{1023131021103} is an apocalyptic number.

1023131021103 is a deficient number, since it is larger than the sum of its proper divisors (454765091265).

1023131021103 is a wasteful number, since it uses less digits than its factorization.

1023131021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091774 (or 3091771 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1023131021103 its reverse (3011201313201), we get a palindrome (4034332334304).

The spelling of 1023131021103 in words is "one trillion, twenty-three billion, one hundred thirty-one million, twenty-one thousand, one hundred three".