31331333331413 has 8 divisors (see below), whose sum is σ = 31624572994560. Its totient is φ = 31038101510400.

The previous prime is 31331333331373. The next prime is 31331333331439. The reversal of 31331333331413 is 31413333313313.

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

It is a cyclic number.

It is not a de Polignac number, because 31331333331413 - 2³² = 31327038364117 is a prime.

It is a super-2 number, since 2×31331333331413² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31331333331443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6226613 + ... + 10071413.

It is an arithmetic number, because the mean of its divisors is an integer number (3953071624320).

Almost surely, 2^{31331333331413} is an apocalyptic number.

It is an amenable number.

31331333331413 is a deficient number, since it is larger than the sum of its proper divisors (293239663147).

31331333331413 is a wasteful number, since it uses less digits than its factorization.

31331333331413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921067.

The product of its digits is 78732, while the sum is 35.

Adding to 31331333331413 its reverse (31413333313313), we get a palindrome (62744666644726).

The spelling of 31331333331413 in words is "thirty-one trillion, three hundred thirty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, four hundred thirteen".