1231501424113 has 8 divisors (see below), whose sum is σ = 1296374127200. Its totient is φ = 1166634404928.

The previous prime is 1231501424099. The next prime is 1231501424147. The reversal of 1231501424113 is 3114241051321.

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 1231501424113 - 2²¹ = 1231499326961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231501424173) 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, 972603 + ... + 1846336.

It is an arithmetic number, because the mean of its divisors is an integer number (162046765900).

Almost surely, 2^{1231501424113} is an apocalyptic number.

It is an amenable number.

1231501424113 is a deficient number, since it is larger than the sum of its proper divisors (64872703087).

1231501424113 is a wasteful number, since it uses less digits than its factorization.

1231501424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841951.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1231501424113 its reverse (3114241051321), we get a palindrome (4345742475434).

The spelling of 1231501424113 in words is "one trillion, two hundred thirty-one billion, five hundred one million, four hundred twenty-four thousand, one hundred thirteen".