106612031 has 2 divisors, whose sum is σ = 106612032. Its totient is φ = 106612030.

The previous prime is 106612019. The next prime is 106612057. The reversal of 106612031 is 130216601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106612031 is a prime.

It is a super-2 number, since 2×106612031² = 22732250307889922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106611994 and 106612012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106612531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53306015 + 53306016.

It is an arithmetic number, because the mean of its divisors is an integer number (53306016).

Almost surely, 2^106612031 is an apocalyptic number.

106612031 is a deficient number, since it is larger than the sum of its proper divisors (1).

106612031 is an equidigital number, since it uses as much as digits as its factorization.

106612031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 106612031 is about 10325.3102132575. The cubic root of 106612031 is about 474.1714545878.

Adding to 106612031 its reverse (130216601), we get a palindrome (236828632).

The spelling of 106612031 in words is "one hundred six million, six hundred twelve thousand, thirty-one".