1010203123031 has 2 divisors, whose sum is σ = 1010203123032. Its totient is φ = 1010203123030.

The previous prime is 1010203122991. The next prime is 1010203123063. The reversal of 1010203123031 is 1303213020101.

It is a strong prime.

It is an emirp because it is prime and its reverse (1303213020101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010203123031 is a prime.

It is a super-2 number, since 2×1010203123031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010203128031) 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 as a sum of consecutive naturals, namely, 505101561515 + 505101561516.

It is an arithmetic number, because the mean of its divisors is an integer number (505101561516).

Almost surely, 2^{1010203123031} is an apocalyptic number.

1010203123031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010203123031 is an equidigital number, since it uses as much as digits as its factorization.

1010203123031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1010203123031 its reverse (1303213020101), we get a palindrome (2313416143132).

The spelling of 1010203123031 in words is "one trillion, ten billion, two hundred three million, one hundred twenty-three thousand, thirty-one".