1231022133013 has 8 divisors (see below), whose sum is σ = 1231883384832. Its totient is φ = 1230161103696.

The previous prime is 1231022132987. The next prime is 1231022133037. The reversal of 1231022133013 is 3103312201321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231022133013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231022136013) 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, 11899356 + ... + 12002362.

It is an arithmetic number, because the mean of its divisors is an integer number (153985423104).

Almost surely, 2^{1231022133013} is an apocalyptic number.

It is an amenable number.

1231022133013 is a deficient number, since it is larger than the sum of its proper divisors (861251819).

1231022133013 is a wasteful number, since it uses less digits than its factorization.

1231022133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111251.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1231022133013 its reverse (3103312201321), we get a palindrome (4334334334334).

The spelling of 1231022133013 in words is "one trillion, two hundred thirty-one billion, twenty-two million, one hundred thirty-three thousand, thirteen".