31022468 has 6 divisors (see below), whose sum is σ = 54289326. Its totient is φ = 15511232.

The previous prime is 31022461. The next prime is 31022471. The reversal of 31022468 is 86422013.

It can be written as a sum of positive squares in only one way, i.e., 30492484 + 529984 = 5522^2 + 728^2 .

It is a super-2 number, since 2×31022468² = 1924787041622048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31022461) by changing a digit.

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, 3877805 + ... + 3877812.

It is an arithmetic number, because the mean of its divisors is an integer number (9048221).

Almost surely, 2^31022468 is an apocalyptic number.

It is an amenable number.

31022468 is a deficient number, since it is larger than the sum of its proper divisors (23266858).

31022468 is a wasteful number, since it uses less digits than its factorization.

31022468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755621 (or 7755619 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 31022468 is about 5569.7816833337. The cubic root of 31022468 is about 314.2139399657.

The spelling of 31022468 in words is "thirty-one million, twenty-two thousand, four hundred sixty-eight".