31000321100342 has 32 divisors (see below), whose sum is σ = 51348601382400. Its totient is φ = 13919364398880.

The previous prime is 31000321100317. The next prime is 31000321100383. The reversal of 31000321100342 is 24300112300013.

It is a super-2 number, since 2×31000321100342² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18045518 + ... + 19688609.

It is an arithmetic number, because the mean of its divisors is an integer number (1604643793200).

Almost surely, 2^{31000321100342} is an apocalyptic number.

31000321100342 is a deficient number, since it is larger than the sum of its proper divisors (20348280282058).

31000321100342 is a wasteful number, since it uses less digits than its factorization.

31000321100342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37734596.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31000321100342 its reverse (24300112300013), we get a palindrome (55300433400355).

The spelling of 31000321100342 in words is "thirty-one trillion, three hundred twenty-one million, one hundred thousand, three hundred forty-two".