31054342 has 32 divisors (see below), whose sum is σ = 55085184. Its totient is φ = 12969600.

The previous prime is 31054337. The next prime is 31054349. The reversal of 31054342 is 24345013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31054349) 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 in 15 ways as a sum of consecutive naturals, for example, 15117 + ... + 17047.

It is an arithmetic number, because the mean of its divisors is an integer number (1721412).

Almost surely, 2^31054342 is an apocalyptic number.

31054342 is a deficient number, since it is larger than the sum of its proper divisors (24030842).

31054342 is a wasteful number, since it uses less digits than its factorization.

31054342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 31054342 is about 5572.6422817188. The cubic root of 31054342 is about 314.3215160514.

Adding to 31054342 its reverse (24345013), we get a palindrome (55399355).

It can be divided in two parts, 3105 and 4342, that added together give a palindrome (7447).

The spelling of 31054342 in words is "thirty-one million, fifty-four thousand, three hundred forty-two".