31401272455404 has 24 divisors (see below), whose sum is σ = 73980991418880. Its totient is φ = 10365468577104.

The previous prime is 31401272455367. The next prime is 31401272455417. The reversal of 31401272455404 is 40455427210413.

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 7 ways as a sum of consecutive naturals, for example, 12702778884 + ... + 12702781355.

It is an arithmetic number, because the mean of its divisors is an integer number (3082541309120).

Almost surely, 2^{31401272455404} is an apocalyptic number.

It is an amenable number.

31401272455404 is an abundant number, since it is smaller than the sum of its proper divisors (42579718963476).

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

31401272455404 is a wasteful number, since it uses less digits than its factorization.

31401272455404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25405560349 (or 25405560347 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

Adding to 31401272455404 its reverse (40455427210413), we get a palindrome (71856699665817).

The spelling of 31401272455404 in words is "thirty-one trillion, four hundred one billion, two hundred seventy-two million, four hundred fifty-five thousand, four hundred four".