10312320231555 has 16 divisors (see below), whose sum is σ = 16501269642144. Its totient is φ = 5499385032960.

The previous prime is 10312320231553. The next prime is 10312320231559. The reversal of 10312320231555 is 55513202321301.

It is not a de Polignac number, because 10312320231555 - 2¹ = 10312320231553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10312320231553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32278906 + ... + 32596815.

It is an arithmetic number, because the mean of its divisors is an integer number (1031329352634).

Almost surely, 2^{10312320231555} is an apocalyptic number.

10312320231555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10312320231555 is a deficient number, since it is larger than the sum of its proper divisors (6188949410589).

10312320231555 is a wasteful number, since it uses less digits than its factorization.

10312320231555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64886326.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 10312320231555 its reverse (55513202321301), we get a palindrome (65825522552856).

The spelling of 10312320231555 in words is "ten trillion, three hundred twelve billion, three hundred twenty million, two hundred thirty-one thousand, five hundred fifty-five".