1231530252041 has 8 divisors (see below), whose sum is σ = 1285169305344. Its totient is φ = 1177899053760.

The previous prime is 1231530251989. The next prime is 1231530252047. The reversal of 1231530252041 is 1402520351321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231530252041 - 2¹⁸ = 1231529989897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231530251995 and 1231530252013.

It is not an unprimeable number, because it can be changed into a prime (1231530252047) 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, 1642241 + ... + 2271566.

It is an arithmetic number, because the mean of its divisors is an integer number (160646163168).

Almost surely, 2^{1231530252041} is an apocalyptic number.

It is an amenable number.

1231530252041 is a deficient number, since it is larger than the sum of its proper divisors (53639053303).

1231530252041 is a wasteful number, since it uses less digits than its factorization.

1231530252041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927511.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 1231530252041 in words is "one trillion, two hundred thirty-one billion, five hundred thirty million, two hundred fifty-two thousand, forty-one".