31341012 has 12 divisors (see below), whose sum is σ = 73129056. Its totient is φ = 10447000.

The previous prime is 31341001. The next prime is 31341041. The reversal of 31341012 is 21014313.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 31340982 and 31341000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305864 + ... + 1305887.

It is an arithmetic number, because the mean of its divisors is an integer number (6094088).

Almost surely, 2^31341012 is an apocalyptic number.

It is an amenable number.

31341012 is an abundant number, since it is smaller than the sum of its proper divisors (41788044).

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

31341012 is a wasteful number, since it uses less digits than its factorization.

31341012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611758 (or 2611756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 31341012 is about 5598.3043861512. The cubic root of 31341012 is about 315.2857472613.

Adding to 31341012 its reverse (21014313), we get a palindrome (52355325).

The spelling of 31341012 in words is "thirty-one million, three hundred forty-one thousand, twelve".