31451068 has 12 divisors (see below), whose sum is σ = 60043032. Its totient is φ = 14295920.

The previous prime is 31451047. The next prime is 31451111. The reversal of 31451068 is 86015413.

It is a super-3 number, since 3×31451068³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357355 + ... + 357442.

It is an arithmetic number, because the mean of its divisors is an integer number (5003586).

Almost surely, 2^31451068 is an apocalyptic number.

It is an amenable number.

31451068 is a deficient number, since it is larger than the sum of its proper divisors (28591964).

31451068 is a wasteful number, since it uses less digits than its factorization.

31451068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714812 (or 714810 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 31451068 is about 5608.1251769196. The cubic root of 31451068 is about 315.6543649181.

The spelling of 31451068 in words is "thirty-one million, four hundred fifty-one thousand, sixty-eight".