3720225031 has 2 divisors, whose sum is σ = 3720225032. Its totient is φ = 3720225030.

The previous prime is 3720225017. The next prime is 3720225059. The reversal of 3720225031 is 1305220273.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3720225031 - 2²⁵ = 3686670599 is a prime.

It is a super-2 number, since 2×3720225031² = 27680148562557901922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3720224987 and 3720225005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3720225931) 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 as a sum of consecutive naturals, namely, 1860112515 + 1860112516.

It is an arithmetic number, because the mean of its divisors is an integer number (1860112516).

Almost surely, 2^3720225031 is an apocalyptic number.

3720225031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720225031 is an equidigital number, since it uses as much as digits as its factorization.

3720225031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3720225031 is about 60993.6474643057. The cubic root of 3720225031 is about 1549.4934218301.

The spelling of 3720225031 in words is "three billion, seven hundred twenty million, two hundred twenty-five thousand, thirty-one".