31006116124231 has 2 divisors, whose sum is σ = 31006116124232. Its totient is φ = 31006116124230.

The previous prime is 31006116124211. The next prime is 31006116124259. The reversal of 31006116124231 is 13242161160013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31006116124231 - 2¹⁷ = 31006115993159 is a prime.

It is a super-2 number, since 2×31006116124231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31006116124193 and 31006116124202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31006116124211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15503058062115 + 15503058062116.

It is an arithmetic number, because the mean of its divisors is an integer number (15503058062116).

Almost surely, 2^{31006116124231} is an apocalyptic number.

31006116124231 is a deficient number, since it is larger than the sum of its proper divisors (1).

31006116124231 is an equidigital number, since it uses as much as digits as its factorization.

31006116124231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 31006116124231 its reverse (13242161160013), we get a palindrome (44248277284244).

The spelling of 31006116124231 in words is "thirty-one trillion, six billion, one hundred sixteen million, one hundred twenty-four thousand, two hundred thirty-one".