102031121213 has 8 divisors (see below), whose sum is σ = 117809130432. Its totient is φ = 86553645696.

The previous prime is 102031121173. The next prime is 102031121219. The reversal of 102031121213 is 312121130201.

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

It is not a de Polignac number, because 102031121213 - 2¹⁰ = 102031120189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102031121191 and 102031121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031121219) 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, 75132695 + ... + 75134052.

It is an arithmetic number, because the mean of its divisors is an integer number (14726141304).

Almost surely, 2^102031121213 is an apocalyptic number.

It is an amenable number.

102031121213 is a deficient number, since it is larger than the sum of its proper divisors (15778009219).

102031121213 is an equidigital number, since it uses as much as digits as its factorization.

102031121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150266851.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102031121213 its reverse (312121130201), we get a palindrome (414152251414).

The spelling of 102031121213 in words is "one hundred two billion, thirty-one million, one hundred twenty-one thousand, two hundred thirteen".