31371342 has 16 divisors (see below), whose sum is σ = 62826192. Its totient is φ = 10443200.

The previous prime is 31371331. The next prime is 31371371. The reversal of 31371342 is 24317313.

It is a super-2 number, since 2×31371342² = 1968322197761928, which contains 22 as substring.

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, 2092 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (3926637).

Almost surely, 2^31371342 is an apocalyptic number.

31371342 is an abundant number, since it is smaller than the sum of its proper divisors (31454850).

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

31371342 is a wasteful number, since it uses less digits than its factorization.

31371342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963.

The product of its digits is 1512, while the sum is 24.

The square root of 31371342 is about 5601.0125870239. The cubic root of 31371342 is about 315.3874195117.

Adding to 31371342 its reverse (24317313), we get a palindrome (55688655).

It can be divided in two parts, 31371 and 342, that added together give a palindrome (31713).

The spelling of 31371342 in words is "thirty-one million, three hundred seventy-one thousand, three hundred forty-two".