2031003401 has 6 divisors (see below), whose sum is σ = 2362595850. Its totient is φ = 1740860016.

The previous prime is 2031003389. The next prime is 2031003421. The reversal of 2031003401 is 1043001302.

It can be written as a sum of positive squares in only one way, i.e., 1056315001 + 974688400 = 32501^2 + 31220^2 .

It is not a de Polignac number, because 2031003401 - 2¹⁰ = 2031002377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031003421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20724476 + ... + 20724573.

It is an arithmetic number, because the mean of its divisors is an integer number (393765975).

Almost surely, 2^2031003401 is an apocalyptic number.

It is an amenable number.

2031003401 is a deficient number, since it is larger than the sum of its proper divisors (331592449).

2031003401 is an equidigital number, since it uses as much as digits as its factorization.

2031003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41449063 (or 41449056 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2031003401 is about 45066.6550899887. The cubic root of 2031003401 is about 1266.3980026302.

Adding to 2031003401 its reverse (1043001302), we get a palindrome (3074004703).

The spelling of 2031003401 in words is "two billion, thirty-one million, three thousand, four hundred one".