1231313100001 has 8 divisors (see below), whose sum is σ = 1303771041504. Its totient is φ = 1158858242880.

The previous prime is 1231313099983. The next prime is 1231313100013. The reversal of 1231313100001 is 1000013131321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231313100001 - 2¹¹ = 1231313097953 is a prime.

It is a super-2 number, since 2×1231313100001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231313100401) 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, 77506 + ... + 1571188.

It is an arithmetic number, because the mean of its divisors is an integer number (162971380188).

Almost surely, 2^{1231313100001} is an apocalyptic number.

It is an amenable number.

1231313100001 is a deficient number, since it is larger than the sum of its proper divisors (72457941503).

1231313100001 is a wasteful number, since it uses less digits than its factorization.

1231313100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542191.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1231313100001 its reverse (1000013131321), we get a palindrome (2231326231322).

The spelling of 1231313100001 in words is "one trillion, two hundred thirty-one billion, three hundred thirteen million, one hundred thousand, one".