103031011133431 has 2 divisors, whose sum is σ = 103031011133432. Its totient is φ = 103031011133430.

The previous prime is 103031011133389. The next prime is 103031011133489. The reversal of 103031011133431 is 134331110130301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103031011133431 - 2¹¹ = 103031011131383 is a prime.

It is a super-4 number, since 4×103031011133431⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 103031011133396 and 103031011133405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103031011103431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515505566715 + 51515505566716.

It is an arithmetic number, because the mean of its divisors is an integer number (51515505566716).

Almost surely, 2^{103031011133431} is an apocalyptic number.

103031011133431 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031011133431 is an equidigital number, since it uses as much as digits as its factorization.

103031011133431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 103031011133431 its reverse (134331110130301), we get a palindrome (237362121263732).

The spelling of 103031011133431 in words is "one hundred three trillion, thirty-one billion, eleven million, one hundred thirty-three thousand, four hundred thirty-one".