121513453425031 has 4 divisors (see below), whose sum is σ = 121658284717200. Its totient is φ = 121368622132864.

The previous prime is 121513453425029. The next prime is 121513453425083. The reversal of 121513453425031 is 130524354315121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121513453425031 - 2¹ = 121513453425029 is a prime.

It is a super-2 number, since 2×121513453425031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121513453465031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72415644826 + ... + 72415646503.

It is an arithmetic number, because the mean of its divisors is an integer number (30414571179300).

Almost surely, 2^{121513453425031} is an apocalyptic number.

121513453425031 is a deficient number, since it is larger than the sum of its proper divisors (144831292169).

121513453425031 is an equidigital number, since it uses as much as digits as its factorization.

121513453425031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144831292168.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 121513453425031 in words is "one hundred twenty-one trillion, five hundred thirteen billion, four hundred fifty-three million, four hundred twenty-five thousand, thirty-one".