31141016 has 8 divisors (see below), whose sum is σ = 58389420. Its totient is φ = 15570504.

The previous prime is 31141007. The next prime is 31141067. The reversal of 31141016 is 61014113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31140985 and 31141003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1946306 + ... + 1946321.

Almost surely, 2^31141016 is an apocalyptic number.

It is an amenable number.

31141016 is a deficient number, since it is larger than the sum of its proper divisors (27248404).

31141016 is a wasteful number, since it uses less digits than its factorization.

31141016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892633 (or 3892629 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 31141016 is about 5580.4136047429. The cubic root of 31141016 is about 314.6136726885.

Adding to 31141016 its reverse (61014113), we get a palindrome (92155129).

The spelling of 31141016 in words is "thirty-one million, one hundred forty-one thousand, sixteen".