106931513 has 8 divisors (see below), whose sum is σ = 121931208. Its totient is φ = 92899584.

The previous prime is 106931509. The next prime is 106931519. The reversal of 106931513 is 315139601.

It can be written as a sum of positive squares in 4 ways, for example, as 2319529 + 104611984 = 1523^2 + 10228^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 106931513 - 2² = 106931509 is a prime.

It is a super-2 number, since 2×106931513² = 22868696944938338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106931519) 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, 241706 + ... + 242147.

It is an arithmetic number, because the mean of its divisors is an integer number (15241401).

Almost surely, 2^106931513 is an apocalyptic number.

106931513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

106931513 is a deficient number, since it is larger than the sum of its proper divisors (14999695).

106931513 is a wasteful number, since it uses less digits than its factorization.

106931513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483883.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 106931513 is about 10340.7694587975. The cubic root of 106931513 is about 474.6446287475.

The spelling of 106931513 in words is "one hundred six million, nine hundred thirty-one thousand, five hundred thirteen".