1243031051013 has 8 divisors (see below), whose sum is σ = 1754867366208. Its totient is φ = 779941051584.

The previous prime is 1243031050973. The next prime is 1243031051027. The reversal of 1243031051013 is 3101501303421.

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

It is not a de Polignac number, because 1243031051013 - 2⁶ = 1243031050949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243031051083) 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, 12186578881 + ... + 12186578982.

It is an arithmetic number, because the mean of its divisors is an integer number (219358420776).

Almost surely, 2^{1243031051013} is an apocalyptic number.

It is an amenable number.

1243031051013 is a deficient number, since it is larger than the sum of its proper divisors (511836315195).

1243031051013 is a wasteful number, since it uses less digits than its factorization.

1243031051013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24373157883.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1243031051013 its reverse (3101501303421), we get a palindrome (4344532354434).

The spelling of 1243031051013 in words is "one trillion, two hundred forty-three billion, thirty-one million, fifty-one thousand, thirteen".