1231011202301 has 16 divisors (see below), whose sum is σ = 1352344506240. Its totient is φ = 1115347527360.

The previous prime is 1231011202243. The next prime is 1231011202331. The reversal of 1231011202301 is 1032021101321.

It is a de Polignac number, because none of the positive numbers 2^k-1231011202301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231011202301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231011202331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2733131 + ... + 3151511.

It is an arithmetic number, because the mean of its divisors is an integer number (84521531640).

Almost surely, 2^{1231011202301} is an apocalyptic number.

It is an amenable number.

1231011202301 is a deficient number, since it is larger than the sum of its proper divisors (121333303939).

1231011202301 is a wasteful number, since it uses less digits than its factorization.

1231011202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425156.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1231011202301 its reverse (1032021101321), we get a palindrome (2263032303622).

The spelling of 1231011202301 in words is "one trillion, two hundred thirty-one billion, eleven million, two hundred two thousand, three hundred one".