31242404554331 has 8 divisors (see below), whose sum is σ = 31266645096960. Its totient is φ = 31218166040488.

The previous prime is 31242404554321. The next prime is 31242404554357. The reversal of 31242404554331 is 13345540424213.

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 31242404554331 - 2³⁰ = 31241330812507 is a prime.

It is a super-2 number, since 2×31242404554331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31242404554301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31064960 + ... + 32054898.

It is an arithmetic number, because the mean of its divisors is an integer number (3908330637120).

Almost surely, 2^{31242404554331} is an apocalyptic number.

31242404554331 is a deficient number, since it is larger than the sum of its proper divisors (24240542629).

31242404554331 is a wasteful number, since it uses less digits than its factorization.

31242404554331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014393.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 31242404554331 its reverse (13345540424213), we get a palindrome (44587944978544).

The spelling of 31242404554331 in words is "thirty-one trillion, two hundred forty-two billion, four hundred four million, five hundred fifty-four thousand, three hundred thirty-one".