31450494 has 16 divisors (see below), whose sum is σ = 63023760. Its totient is φ = 10463040.

The previous prime is 31450487. The next prime is 31450541. The reversal of 31450494 is 49405413.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1599 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (3938985).

Almost surely, 2^31450494 is an apocalyptic number.

31450494 is an abundant number, since it is smaller than the sum of its proper divisors (31573266).

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

31450494 is a wasteful number, since it uses less digits than its factorization.

31450494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 31450494 is about 5608.0740009383. The cubic root of 31450494 is about 315.6524446155.

The spelling of 31450494 in words is "thirty-one million, four hundred fifty thousand, four hundred ninety-four".