1231232313101 has 8 divisors (see below), whose sum is σ = 1439846426304. Its totient is φ = 1030799145600.

The previous prime is 1231232312987. The next prime is 1231232313127. The reversal of 1231232313101 is 1013132321321.

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

It is a de Polignac number, because none of the positive numbers 2^k-1231232313101 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 (1231232313301) 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, 2045236100 + ... + 2045236701.

It is an arithmetic number, because the mean of its divisors is an integer number (179980803288).

Almost surely, 2^{1231232313101} is an apocalyptic number.

It is an amenable number.

1231232313101 is a deficient number, since it is larger than the sum of its proper divisors (208614113203).

1231232313101 is an equidigital number, since it uses as much as digits as its factorization.

1231232313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090472851.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1231232313101 its reverse (1013132321321), we get a palindrome (2244364634422).

The spelling of 1231232313101 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred one".