31612141 has 16 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 27791280.

The previous prime is 31612121. The next prime is 31612151. The reversal of 31612141 is 14121613.

It is not a de Polignac number, because 31612141 - 2⁵ = 31612109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31612121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43120 + ... + 43846.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^31612141 is an apocalyptic number.

It is an amenable number.

31612141 is a deficient number, since it is larger than the sum of its proper divisors (4030739).

31612141 is a wasteful number, since it uses less digits than its factorization.

31612141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its digits is 144, while the sum is 19.

The square root of 31612141 is about 5622.4675188035. The cubic root of 31612141 is about 316.1923100360.

Adding to 31612141 its reverse (14121613), we get a palindrome (45733754).

The spelling of 31612141 in words is "thirty-one million, six hundred twelve thousand, one hundred forty-one".