31442106 has 8 divisors (see below), whose sum is σ = 62884224. Its totient is φ = 10480700.

The previous prime is 31442101. The next prime is 31442111. The reversal of 31442106 is 60124413.

It is an interprime number because it is at equal distance from previous prime (31442101) and next prime (31442111).

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

31442106 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31442101) 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, 2620170 + ... + 2620181.

It is an arithmetic number, because the mean of its divisors is an integer number (7860528).

Almost surely, 2^31442106 is an apocalyptic number.

31442106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31442106 is a wasteful number, since it uses less digits than its factorization.

31442106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240356.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 31442106 is about 5607.3261007364. The cubic root of 31442106 is about 315.6243801053.

Adding to 31442106 its reverse (60124413), we get a palindrome (91566519).

The spelling of 31442106 in words is "thirty-one million, four hundred forty-two thousand, one hundred six".