106542931 has 8 divisors (see below), whose sum is σ = 117964224. Its totient is φ = 95410920.

The previous prime is 106542929. The next prime is 106542977. The reversal of 106542931 is 139245601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106542931 - 2¹ = 106542929 is a prime.

It is a super-2 number, since 2×106542931² = 22702792292141522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106542893 and 106542902.

It is not an unprimeable number, because it can be changed into a prime (106542911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71545 + ... + 73018.

It is an arithmetic number, because the mean of its divisors is an integer number (14745528).

Almost surely, 2^106542931 is an apocalyptic number.

106542931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106542931 is a deficient number, since it is larger than the sum of its proper divisors (11421293).

106542931 is a wasteful number, since it uses less digits than its factorization.

106542931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144641.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 106542931 is about 10321.9635244463. The cubic root of 106542931 is about 474.0689885758.

The spelling of 106542931 in words is "one hundred six million, five hundred forty-two thousand, nine hundred thirty-one".