31424340400030 has 32 divisors (see below), whose sum is σ = 57962613108960. Its totient is φ = 12259094753280.

The previous prime is 31424340400021. The next prime is 31424340400091. The reversal of 31424340400030 is 3000404342413.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11455939 + ... + 13931518.

It is an arithmetic number, because the mean of its divisors is an integer number (1811331659655).

Almost surely, 2^{31424340400030} is an apocalyptic number.

31424340400030 is a deficient number, since it is larger than the sum of its proper divisors (26538272708930).

31424340400030 is a wasteful number, since it uses less digits than its factorization.

31424340400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25390524.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 31424340400030 its reverse (3000404342413), we get a palindrome (34424744742443).

The spelling of 31424340400030 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred forty million, four hundred thousand, thirty".