121342023103131 has 48 divisors (see below), whose sum is σ = 177731001676800. Its totient is φ = 79762474711296.

The previous prime is 121342023103117. The next prime is 121342023103159. The reversal of 121342023103131 is 131301320243121.

121342023103131 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 420 + 2 + 3 + 103 + 131 = 666.

It is not a de Polignac number, because 121342023103131 - 2¹⁰ = 121342023102107 is a prime.

It is a super-2 number, since 2×121342023103131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121342023103095 and 121342023103104.

It is not an unprimeable number, because it can be changed into a prime (121342023103111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7384037491 + ... + 7384053923.

It is an arithmetic number, because the mean of its divisors is an integer number (3702729201600).

Almost surely, 2^{121342023103131} is an apocalyptic number.

121342023103131 is a deficient number, since it is larger than the sum of its proper divisors (56388978573669).

121342023103131 is a wasteful number, since it uses less digits than its factorization.

121342023103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29960 (or 29957 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121342023103131 its reverse (131301320243121), we get a palindrome (252643343346252).

The spelling of 121342023103131 in words is "one hundred twenty-one trillion, three hundred forty-two billion, twenty-three million, one hundred three thousand, one hundred thirty-one".