31400123101044 has 24 divisors (see below), whose sum is σ = 73527690401088. Its totient is φ = 10429459629120.

The previous prime is 31400123100889. The next prime is 31400123101097. The reversal of 31400123101044 is 44010132100413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4656005392 + ... + 4656012135.

It is an arithmetic number, because the mean of its divisors is an integer number (3063653766712).

Almost surely, 2^{31400123101044} is an apocalyptic number.

It is an amenable number.

31400123101044 is an abundant number, since it is smaller than the sum of its proper divisors (42127567300044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31400123101044 is a wasteful number, since it uses less digits than its factorization.

31400123101044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312017815 (or 9312017813 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31400123101044 its reverse (44010132100413), we get a palindrome (75410255201457).

The spelling of 31400123101044 in words is "thirty-one trillion, four hundred billion, one hundred twenty-three million, one hundred one thousand, forty-four".