31554545044106 has 32 divisors (see below), whose sum is σ = 54377613964800. Its totient is φ = 13452359279616.

The previous prime is 31554545044039. The next prime is 31554545044123. The reversal of 31554545044106 is 60144054545513.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38631620 + ... + 39439968.

It is an arithmetic number, because the mean of its divisors is an integer number (1699300436400).

Almost surely, 2^{31554545044106} is an apocalyptic number.

31554545044106 is a deficient number, since it is larger than the sum of its proper divisors (22823068920694).

31554545044106 is a wasteful number, since it uses less digits than its factorization.

31554545044106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822998.

The product of its (nonzero) digits is 2880000, while the sum is 47.

Adding to 31554545044106 its reverse (60144054545513), we get a palindrome (91698599589619).

The spelling of 31554545044106 in words is "thirty-one trillion, five hundred fifty-four billion, five hundred forty-five million, forty-four thousand, one hundred six".