31321312413042 has 8 divisors (see below), whose sum is σ = 62642624826096. Its totient is φ = 10440437471012.

The previous prime is 31321312413037. The next prime is 31321312413043. The reversal of 31321312413042 is 24031421312313.

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

31321312413042 is an admirable number.

It is a super-2 number, since 2×31321312413042² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31321312413043) 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, 2610109367748 + ... + 2610109367759.

It is an arithmetic number, because the mean of its divisors is an integer number (7830328103262).

Almost surely, 2^{31321312413042} is an apocalyptic number.

31321312413042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31321312413042 is a wasteful number, since it uses less digits than its factorization.

31321312413042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220218735512.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 31321312413042 its reverse (24031421312313), we get a palindrome (55352733725355).

The spelling of 31321312413042 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred twelve million, four hundred thirteen thousand, forty-two".