30631106 has 8 divisors (see below), whose sum is σ = 50123664. Its totient is φ = 13923220.

The previous prime is 30631103. The next prime is 30631121. The reversal of 30631106 is 60113603.

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

It is not an unprimeable number, because it can be changed into a prime (30631103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696140 + ... + 696183.

It is an arithmetic number, because the mean of its divisors is an integer number (6265458).

Almost surely, 2^30631106 is an apocalyptic number.

30631106 is a deficient number, since it is larger than the sum of its proper divisors (19492558).

30631106 is a wasteful number, since it uses less digits than its factorization.

30631106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392336.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30631106 is about 5534.5375597244. The cubic root of 30631106 is about 312.8870289496.

Adding to 30631106 its reverse (60113603), we get a palindrome (90744709).

It can be divided in two parts, 30 and 631106, that added together give a palindrome (631136).

The spelling of 30631106 in words is "thirty million, six hundred thirty-one thousand, one hundred six".