2231003400031 has 4 divisors (see below), whose sum is σ = 2549718171472. Its totient is φ = 1912288628592.

The previous prime is 2231003400013. The next prime is 2231003400061. The reversal of 2231003400031 is 1300043001322.

2231003400031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2231003400031 - 2¹³ = 2231003391839 is a prime.

It is a super-3 number, since 3×2231003400031³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231003399981 and 2231003400008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231003400061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159357385710 + ... + 159357385723.

It is an arithmetic number, because the mean of its divisors is an integer number (637429542868).

Almost surely, 2^{2231003400031} is an apocalyptic number.

2231003400031 is a deficient number, since it is larger than the sum of its proper divisors (318714771441).

2231003400031 is an equidigital number, since it uses as much as digits as its factorization.

2231003400031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318714771440.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2231003400031 its reverse (1300043001322), we get a palindrome (3531046401353).

The spelling of 2231003400031 in words is "two trillion, two hundred thirty-one billion, three million, four hundred thousand, thirty-one".