31421340313113 has 8 divisors (see below), whose sum is σ = 42869425543648. Its totient is φ = 20460407645664.

The previous prime is 31421340313091. The next prime is 31421340313151. The reversal of 31421340313113 is 31131304312413.

It is a happy number.

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

It is not a de Polignac number, because 31421340313113 - 2⁵ = 31421340313081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31421340313163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121788140620 + ... + 121788140877.

It is an arithmetic number, because the mean of its divisors is an integer number (5358678192956).

Almost surely, 2^{31421340313113} is an apocalyptic number.

It is an amenable number.

31421340313113 is a deficient number, since it is larger than the sum of its proper divisors (11448085230535).

31421340313113 is a wasteful number, since it uses less digits than its factorization.

31421340313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243576281543.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 31421340313113 its reverse (31131304312413), we get a palindrome (62552644625526).

The spelling of 31421340313113 in words is "thirty-one trillion, four hundred twenty-one billion, three hundred forty million, three hundred thirteen thousand, one hundred thirteen".