1020103323031 has 16 divisors (see below), whose sum is σ = 1100690972640. Its totient is φ = 939819830400.

The previous prime is 1020103323013. The next prime is 1020103323037. The reversal of 1020103323031 is 1303233010201.

It is a cyclic number.

It is not a de Polignac number, because 1020103323031 - 2²³ = 1020094934423 is a prime.

It is a super-2 number, since 2×1020103323031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020103323037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16237981 + ... + 16300681.

It is an arithmetic number, because the mean of its divisors is an integer number (68793185790).

Almost surely, 2^{1020103323031} is an apocalyptic number.

1020103323031 is a deficient number, since it is larger than the sum of its proper divisors (80587649609).

1020103323031 is a wasteful number, since it uses less digits than its factorization.

1020103323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65106.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1020103323031 its reverse (1303233010201), we get a palindrome (2323336333232).

The spelling of 1020103323031 in words is "one trillion, twenty billion, one hundred three million, three hundred twenty-three thousand, thirty-one".