31068469 has 16 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 27751680.

The previous prime is 31068467. The next prime is 31068481. The reversal of 31068469 is 96486013.

It is a cyclic number.

It is not a de Polignac number, because 31068469 - 2¹ = 31068467 is a prime.

It is a super-2 number, since 2×31068469² = 1930499532007922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31068461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70552 + ... + 70990.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^31068469 is an apocalyptic number.

It is an amenable number.

31068469 is a deficient number, since it is larger than the sum of its proper divisors (3526091).

31068469 is a wasteful number, since it uses less digits than its factorization.

31068469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 31068469 is about 5573.9096691640. The cubic root of 31068469 is about 314.3691717264.

The spelling of 31068469 in words is "thirty-one million, sixty-eight thousand, four hundred sixty-nine".