31227348 has 12 divisors (see below), whose sum is σ = 72863840. Its totient is φ = 10409112.

The previous prime is 31227347. The next prime is 31227349. The reversal of 31227348 is 84372213.

It is an interprime number because it is at equal distance from previous prime (31227347) and next prime (31227349).

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

It is a super-2 number, since 2×31227348² = 1950294526226208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31227347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301128 + ... + 1301151.

Almost surely, 2^31227348 is an apocalyptic number.

It is an amenable number.

31227348 is an abundant number, since it is smaller than the sum of its proper divisors (41636492).

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

31227348 is a wasteful number, since it uses less digits than its factorization.

31227348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602286 (or 2602284 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 31227348 is about 5588.1435199894. The cubic root of 31227348 is about 314.9041381265.

The spelling of 31227348 in words is "thirty-one million, two hundred twenty-seven thousand, three hundred forty-eight".