31448212 has 6 divisors (see below), whose sum is σ = 55034378. Its totient is φ = 15724104.

The previous prime is 31448201. The next prime is 31448233. The reversal of 31448212 is 21284413.

It can be written as a sum of positive squares in only one way, i.e., 30980356 + 467856 = 5566^2 + 684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931023 + ... + 3931030.

Almost surely, 2^31448212 is an apocalyptic number.

It is an amenable number.

31448212 is a deficient number, since it is larger than the sum of its proper divisors (23586166).

31448212 is a wasteful number, since it uses less digits than its factorization.

31448212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862057 (or 7862055 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 31448212 is about 5607.8705405885. The cubic root of 31448212 is about 315.6448100104.

The spelling of 31448212 in words is "thirty-one million, four hundred forty-eight thousand, two hundred twelve".