2031402225 has 12 divisors (see below), whose sum is σ = 3358585136. Its totient is φ = 1083414480.

The previous prime is 2031402223. The next prime is 2031402281. The reversal of 2031402225 is 5222041302.

It is not a de Polignac number, because 2031402225 - 2¹ = 2031402223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031402223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13542607 + ... + 13542756.

Almost surely, 2^2031402225 is an apocalyptic number.

2031402225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2031402225 is a deficient number, since it is larger than the sum of its proper divisors (1327182911).

2031402225 is a wasteful number, since it uses less digits than its factorization.

2031402225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27085376 (or 27085371 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2031402225 is about 45071.0796964084. The cubic root of 2031402225 is about 1266.4808905368.

Adding to 2031402225 its reverse (5222041302), we get a palindrome (7253443527).

The spelling of 2031402225 in words is "two billion, thirty-one million, four hundred two thousand, two hundred twenty-five".