31424148 has 36 divisors (see below), whose sum is σ = 90781600. Its totient is φ = 8978256.

The previous prime is 31424117. The next prime is 31424171. The reversal of 31424148 is 84142413.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62098 + ... + 62601.

Almost surely, 2^31424148 is an apocalyptic number.

It is an amenable number.

31424148 is an abundant number, since it is smaller than the sum of its proper divisors (59357452).

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

31424148 is a wasteful number, since it uses less digits than its factorization.

31424148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124716 (or 124711 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 31424148 is about 5605.7245740404. The cubic root of 31424148 is about 315.5642795718.

The spelling of 31424148 in words is "thirty-one million, four hundred twenty-four thousand, one hundred forty-eight".