1231402303001 has 8 divisors (see below), whose sum is σ = 1351146794760. Its totient is φ = 1115232273792.

The previous prime is 1231402302997. The next prime is 1231402303003. The reversal of 1231402303001 is 1003032041321.

It can be written as a sum of positive squares in 4 ways, for example, as 56987401 + 1231345315600 = 7549^2 + 1109660^2 .

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

It is not a de Polignac number, because 1231402303001 - 2² = 1231402302997 is a prime.

It is a super-2 number, since 2×1231402303001² (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 (1231402303003) 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, 893614916 + ... + 893616293.

It is an arithmetic number, because the mean of its divisors is an integer number (168893349345).

Almost surely, 2^{1231402303001} is an apocalyptic number.

It is an amenable number.

1231402303001 is a deficient number, since it is larger than the sum of its proper divisors (119744491759).

1231402303001 is a wasteful number, since it uses less digits than its factorization.

1231402303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787231275.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1231402303001 its reverse (1003032041321), we get a palindrome (2234434344322).

The spelling of 1231402303001 in words is "one trillion, two hundred thirty-one billion, four hundred two million, three hundred three thousand, one".