31411442 has 8 divisors (see below), whose sum is σ = 47477232. Its totient is φ = 15585700.

The previous prime is 31411411. The next prime is 31411447. The reversal of 31411442 is 24411413.

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 (31411447) 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, 59684 + ... + 60207.

It is an arithmetic number, because the mean of its divisors is an integer number (5934654).

Almost surely, 2^31411442 is an apocalyptic number.

31411442 is a deficient number, since it is larger than the sum of its proper divisors (16065790).

31411442 is a wasteful number, since it uses less digits than its factorization.

31411442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120024.

The product of its digits is 384, while the sum is 20.

The square root of 31411442 is about 5604.5911536882. The cubic root of 31411442 is about 315.5217422184.

Adding to 31411442 its reverse (24411413), we get a palindrome (55822855).

The spelling of 31411442 in words is "thirty-one million, four hundred eleven thousand, four hundred forty-two".