121323102031 has 8 divisors (see below), whose sum is σ = 121661190000. Its totient is φ = 120985394880.

The previous prime is 121323102007. The next prime is 121323102041. The reversal of 121323102031 is 130201323121.

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 121323102031 - 2⁷ = 121323101903 is a prime.

It is a super-2 number, since 2×121323102031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323102041) 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, 548901 + ... + 737521.

It is an arithmetic number, because the mean of its divisors is an integer number (15207648750).

Almost surely, 2^121323102031 is an apocalyptic number.

121323102031 is a deficient number, since it is larger than the sum of its proper divisors (338087969).

121323102031 is a wasteful number, since it uses less digits than its factorization.

121323102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190409.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121323102031 its reverse (130201323121), we get a palindrome (251524425152).

The spelling of 121323102031 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred two thousand, thirty-one".