1231033000013 has 4 divisors (see below), whose sum is σ = 1295824210560. Its totient is φ = 1166241789468.

The previous prime is 1231033000009. The next prime is 1231033000019. The reversal of 1231033000013 is 3100003301321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1231033000013 - 2² = 1231033000009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231032999955 and 1231033000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231033000019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32395605245 + ... + 32395605282.

It is an arithmetic number, because the mean of its divisors is an integer number (323956052640).

Almost surely, 2^{1231033000013} is an apocalyptic number.

It is an amenable number.

1231033000013 is a deficient number, since it is larger than the sum of its proper divisors (64791210547).

1231033000013 is an equidigital number, since it uses as much as digits as its factorization.

1231033000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64791210546.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1231033000013 its reverse (3100003301321), we get a palindrome (4331036301334).

The spelling of 1231033000013 in words is "one trillion, two hundred thirty-one billion, thirty-three million, thirteen", and thus it is an aban number.