31405100105054 has 32 divisors (see below), whose sum is σ = 50862222867456. Its totient is φ = 14457286706400.

The previous prime is 31405100105033. The next prime is 31405100105059. The reversal of 31405100105054 is 45050100150413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31405100105059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27203279 + ... + 28334229.

It is an arithmetic number, because the mean of its divisors is an integer number (1589444464608).

Almost surely, 2^{31405100105054} is an apocalyptic number.

31405100105054 is a deficient number, since it is larger than the sum of its proper divisors (19457122762402).

31405100105054 is a wasteful number, since it uses less digits than its factorization.

31405100105054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133720.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 31405100105054 its reverse (45050100150413), we get a palindrome (76455200255467).

The spelling of 31405100105054 in words is "thirty-one trillion, four hundred five billion, one hundred million, one hundred five thousand, fifty-four".