31301140042 has 8 divisors (see below), whose sum is σ = 47239757856. Its totient is φ = 15554554092.

The previous prime is 31301140021. The next prime is 31301140049. The reversal of 31301140042 is 24004110313.

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

It is a super-2 number, since 2×31301140042² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31301140049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48007558 + ... + 48008209.

It is an arithmetic number, because the mean of its divisors is an integer number (5904969732).

Almost surely, 2^31301140042 is an apocalyptic number.

31301140042 is a deficient number, since it is larger than the sum of its proper divisors (15938617814).

31301140042 is a wasteful number, since it uses less digits than its factorization.

31301140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96015932.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31301140042 its reverse (24004110313), we get a palindrome (55305250355).

The spelling of 31301140042 in words is "thirty-one billion, three hundred one million, one hundred forty thousand, forty-two".