121431130213003 has 8 divisors (see below), whose sum is σ = 130794957126288. Its totient is φ = 112070584834464.

The previous prime is 121431130212961. The next prime is 121431130213033. The reversal of 121431130213003 is 300312031134121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121431130213003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121431130213033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820306825 + ... + 820454842.

It is an arithmetic number, because the mean of its divisors is an integer number (16349369640786).

Almost surely, 2^{121431130213003} is an apocalyptic number.

121431130213003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121431130213003 is a deficient number, since it is larger than the sum of its proper divisors (9363826913285).

121431130213003 is a wasteful number, since it uses less digits than its factorization.

121431130213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640767373.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121431130213003 its reverse (300312031134121), we get a palindrome (421743161347124).

The spelling of 121431130213003 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, one hundred thirty million, two hundred thirteen thousand, three".