1231130141421 has 8 divisors (see below), whose sum is σ = 1647564077184. Its totient is φ = 817724816640.

The previous prime is 1231130141407. The next prime is 1231130141447. The reversal of 1231130141421 is 1241410311321.

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

It is not a de Polignac number, because 1231130141421 - 2¹¹ = 1231130139373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231130141391 and 1231130141400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231130141491) 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, 757151796 + ... + 757153421.

It is an arithmetic number, because the mean of its divisors is an integer number (205945509648).

Almost surely, 2^{1231130141421} is an apocalyptic number.

It is an amenable number.

1231130141421 is a deficient number, since it is larger than the sum of its proper divisors (416433935763).

1231130141421 is a wasteful number, since it uses less digits than its factorization.

1231130141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514305491.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1231130141421 its reverse (1241410311321), we get a palindrome (2472540452742).

The spelling of 1231130141421 in words is "one trillion, two hundred thirty-one billion, one hundred thirty million, one hundred forty-one thousand, four hundred twenty-one".