31363142 has 8 divisors (see below), whose sum is σ = 47069256. Its totient is φ = 15673392.

The previous prime is 31363141. The next prime is 31363151. The reversal of 31363142 is 24136313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31363142² = 1967293352224328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31363141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578 + ... + 8690.

It is an arithmetic number, because the mean of its divisors is an integer number (5883657).

Almost surely, 2^31363142 is an apocalyptic number.

31363142 is a deficient number, since it is larger than the sum of its proper divisors (15706114).

31363142 is a wasteful number, since it uses less digits than its factorization.

31363142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182.

The product of its digits is 1296, while the sum is 23.

The square root of 31363142 is about 5600.2805286878. The cubic root of 31363142 is about 315.3599379310.

Adding to 31363142 its reverse (24136313), we get a palindrome (55499455).

The spelling of 31363142 in words is "thirty-one million, three hundred sixty-three thousand, one hundred forty-two".