102031203331109 has 8 divisors (see below), whose sum is σ = 109896587017560. Its totient is φ = 94168223870976.

The previous prime is 102031203331069. The next prime is 102031203331153. The reversal of 102031203331109 is 901133302130201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4330769102500 + 97700434228609 = 2081050^2 + 9884353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102031203331109 - 2¹² = 102031203327013 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 (102031203331159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600968432 + ... + 601138185.

It is an arithmetic number, because the mean of its divisors is an integer number (13737073377195).

Almost surely, 2^{102031203331109} is an apocalyptic number.

It is an amenable number.

102031203331109 is a deficient number, since it is larger than the sum of its proper divisors (7865383686451).

102031203331109 is a wasteful number, since it uses less digits than its factorization.

102031203331109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202113159.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 102031203331109 in words is "one hundred two trillion, thirty-one billion, two hundred three million, three hundred thirty-one thousand, one hundred nine".