103031011331 has 2 divisors, whose sum is σ = 103031011332. Its totient is φ = 103031011330.

The previous prime is 103031011309. The next prime is 103031011351. The reversal of 103031011331 is 133110130301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103031011331 is a prime.

It is a super-3 number, since 3×103031011331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (103031011351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515505665 + 51515505666.

It is an arithmetic number, because the mean of its divisors is an integer number (51515505666).

Almost surely, 2^103031011331 is an apocalyptic number.

103031011331 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031011331 is an equidigital number, since it uses as much as digits as its factorization.

103031011331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 103031011331 its reverse (133110130301), we get a palindrome (236141141632).

The spelling of 103031011331 in words is "one hundred three billion, thirty-one million, eleven thousand, three hundred thirty-one".