10103121031 has 2 divisors, whose sum is σ = 10103121032. Its totient is φ = 10103121030.

The previous prime is 10103120917. The next prime is 10103121053. The reversal of 10103121031 is 13012130101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10103121031 - 2¹¹ = 10103118983 is a prime.

It is a super-2 number, since 2×10103121031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10103121331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051560515 + 5051560516.

It is an arithmetic number, because the mean of its divisors is an integer number (5051560516).

Almost surely, 2^10103121031 is an apocalyptic number.

10103121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103121031 is an equidigital number, since it uses as much as digits as its factorization.

10103121031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10103121031 its reverse (13012130101), we get a palindrome (23115251132).

The spelling of 10103121031 in words is "ten billion, one hundred three million, one hundred twenty-one thousand, thirty-one".