54642031331 has 2 divisors, whose sum is σ = 54642031332. Its totient is φ = 54642031330.

The previous prime is 54642031313. The next prime is 54642031349. The reversal of 54642031331 is 13313024645.

Together with previous prime (54642031313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (54642031313) and next prime (54642031349).

It is a cyclic number.

It is not a de Polignac number, because 54642031331 - 2³⁰ = 53568289507 is a prime.

It is a super-2 number, since 2×54642031331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54642031931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27321015665 + 27321015666.

It is an arithmetic number, because the mean of its divisors is an integer number (27321015666).

Almost surely, 2^54642031331 is an apocalyptic number.

54642031331 is a deficient number, since it is larger than the sum of its proper divisors (1).

54642031331 is an equidigital number, since it uses as much as digits as its factorization.

54642031331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 54642031331 its reverse (13313024645), we get a palindrome (67955055976).

The spelling of 54642031331 in words is "fifty-four billion, six hundred forty-two million, thirty-one thousand, three hundred thirty-one".