121320311332031 has 8 divisors (see below), whose sum is σ = 141876244481664. Its totient is φ = 101570493207960.

The previous prime is 121320311332013. The next prime is 121320311332043. The reversal of 121320311332031 is 130233113023121.

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

It is not a de Polignac number, because 121320311332031 - 2¹⁰ = 121320311331007 is a prime.

It is a super-2 number, since 2×121320311332031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320311332331) 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, 201528756065 + ... + 201528756666.

It is an arithmetic number, because the mean of its divisors is an integer number (17734530560208).

Almost surely, 2^{121320311332031} is an apocalyptic number.

121320311332031 is a deficient number, since it is larger than the sum of its proper divisors (20555933149633).

121320311332031 is an equidigital number, since it uses as much as digits as its factorization.

121320311332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403057512781.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 121320311332031 its reverse (130233113023121), we get a palindrome (251553424355152).

The spelling of 121320311332031 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred eleven million, three hundred thirty-two thousand, thirty-one".