31340654 has 16 divisors (see below), whose sum is σ = 47695776. Its totient is φ = 15444000.

The previous prime is 31340629. The next prime is 31340669. The reversal of 31340654 is 45604313.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47084 + ... + 47744.

It is an arithmetic number, because the mean of its divisors is an integer number (2980986).

Almost surely, 2^31340654 is an apocalyptic number.

31340654 is a deficient number, since it is larger than the sum of its proper divisors (16355122).

31340654 is a wasteful number, since it uses less digits than its factorization.

31340654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 31340654 is about 5598.2724120929. The cubic root of 31340654 is about 315.2845467818.

Adding to 31340654 its reverse (45604313), we get a palindrome (76944967).

The spelling of 31340654 in words is "thirty-one million, three hundred forty thousand, six hundred fifty-four".