121231003031031 has 8 divisors (see below), whose sum is σ = 161643495107200. Its totient is φ = 80819589821112.

The previous prime is 121231003031009. The next prime is 121231003031051. The reversal of 121231003031031 is 130130300132121.

It is a happy number.

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

It is not a de Polignac number, because 121231003031031 - 2³³ = 121222413096439 is a prime.

It is a super-2 number, since 2×121231003031031² (a number of 29 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 = 121231003030989 and 121231003031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231003031051) 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, 269454331 + ... + 269903868.

It is an arithmetic number, because the mean of its divisors is an integer number (20205436888400).

Almost surely, 2^{121231003031031} is an apocalyptic number.

121231003031031 is a deficient number, since it is larger than the sum of its proper divisors (40412492076169).

121231003031031 is an equidigital number, since it uses as much as digits as its factorization.

121231003031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539433125.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121231003031031 its reverse (130130300132121), we get a palindrome (251361303163152).

The spelling of 121231003031031 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, thirty-one thousand, thirty-one".