102031221413 has 16 divisors (see below), whose sum is σ = 116034964992. Its totient is φ = 88874760000.

The previous prime is 102031221407. The next prime is 102031221443. The reversal of 102031221413 is 314122130201.

It is a cyclic number.

It is not a de Polignac number, because 102031221413 - 2⁸ = 102031221157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031221443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446806 + ... + 1515687.

It is an arithmetic number, because the mean of its divisors is an integer number (7252185312).

Almost surely, 2^102031221413 is an apocalyptic number.

It is an amenable number.

102031221413 is a deficient number, since it is larger than the sum of its proper divisors (14003743579).

102031221413 is a wasteful number, since it uses less digits than its factorization.

102031221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962636.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102031221413 its reverse (314122130201), we get a palindrome (416153351614).

The spelling of 102031221413 in words is "one hundred two billion, thirty-one million, two hundred twenty-one thousand, four hundred thirteen".