2231312001 has 8 divisors (see below), whose sum is σ = 2976060000. Its totient is φ = 1487052672.

The previous prime is 2231311993. The next prime is 2231312009. The reversal of 2231312001 is 1002131322.

2231312001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231311993) and next prime (2231312009).

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

It is not a de Polignac number, because 2231312001 - 2³ = 2231311993 is a prime.

It is a super-3 number, since 3×2231312001³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231312009) 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, 111376 + ... + 129873.

It is an arithmetic number, because the mean of its divisors is an integer number (372007500).

Almost surely, 2^2231312001 is an apocalyptic number.

It is an amenable number.

2231312001 is a deficient number, since it is larger than the sum of its proper divisors (744747999).

2231312001 is a wasteful number, since it uses less digits than its factorization.

2231312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244335.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231312001 is about 47236.7653528478. The cubic root of 2231312001 is about 1306.7327239602.

Adding to 2231312001 its reverse (1002131322), we get a palindrome (3233443323).

The spelling of 2231312001 in words is "two billion, two hundred thirty-one million, three hundred twelve thousand, one".