1012131103 has 2 divisors, whose sum is σ = 1012131104. Its totient is φ = 1012131102.

The previous prime is 1012131097. The next prime is 1012131143. The reversal of 1012131103 is 3011312101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012131103 - 2⁹ = 1012130591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506065551 + 506065552.

It is an arithmetic number, because the mean of its divisors is an integer number (506065552).

Almost surely, 2^1012131103 is an apocalyptic number.

1012131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012131103 is an equidigital number, since it uses as much as digits as its factorization.

1012131103 is an evil number, because the sum of its binary digits is even.

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

The square root of 1012131103 is about 31814.0079681891. The cubic root of 1012131103 is about 1004.0274587999.

Adding to 1012131103 its reverse (3011312101), we get a palindrome (4023443204).

The spelling of 1012131103 in words is "one billion, twelve million, one hundred thirty-one thousand, one hundred three".