202031401105 has 16 divisors (see below), whose sum is σ = 256950250704. Its totient is φ = 151968706560.

The previous prime is 202031401087. The next prime is 202031401133. The reversal of 202031401105 is 501104130202.

It can be written as a sum of positive squares in 8 ways, for example, as 9980609409 + 192050791696 = 99903^2 + 438236^2 .

It is not a de Polignac number, because 202031401105 - 2¹⁵ = 202031368337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077192 + ... + 1250761.

It is an arithmetic number, because the mean of its divisors is an integer number (16059390669).

Almost surely, 2^202031401105 is an apocalyptic number.

It is an amenable number.

202031401105 is a deficient number, since it is larger than the sum of its proper divisors (54918849599).

202031401105 is a wasteful number, since it uses less digits than its factorization.

202031401105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328996.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 202031401105 its reverse (501104130202), we get a palindrome (703135531307).

The spelling of 202031401105 in words is "two hundred two billion, thirty-one million, four hundred one thousand, one hundred five".