121330232031 has 8 divisors (see below), whose sum is σ = 162123047680. Its totient is φ = 80712118872.

The previous prime is 121330232011. The next prime is 121330232081. The reversal of 121330232031 is 130232033121.

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

It is not a de Polignac number, because 121330232031 - 2⁵ = 121330231999 is a prime.

It is a super-2 number, since 2×121330232031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121330231989 and 121330232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330232011) 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, 43674001 + ... + 43676778.

It is an arithmetic number, because the mean of its divisors is an integer number (20265380960).

Almost surely, 2^121330232031 is an apocalyptic number.

121330232031 is a deficient number, since it is larger than the sum of its proper divisors (40792815649).

121330232031 is an equidigital number, since it uses as much as digits as its factorization.

121330232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87351245.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121330232031 its reverse (130232033121), we get a palindrome (251562265152).

The spelling of 121330232031 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred thirty-two thousand, thirty-one".