1800245031 has 16 divisors (see below), whose sum is σ = 2585860704. Its totient is φ = 1107460224.

The previous prime is 1800244991. The next prime is 1800245071. The reversal of 1800245031 is 1305420081.

It is an interprime number because it is at equal distance from previous prime (1800244991) and next prime (1800245071).

It is not a de Polignac number, because 1800245031 - 2⁶ = 1800244967 is a prime.

It is a super-2 number, since 2×1800245031² = 6481764343280381922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1800244992 and 1800245010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800245071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142005 + ... + 154161.

It is an arithmetic number, because the mean of its divisors is an integer number (161616294).

Almost surely, 2^1800245031 is an apocalyptic number.

1800245031 is a deficient number, since it is larger than the sum of its proper divisors (785615673).

1800245031 is a wasteful number, since it uses less digits than its factorization.

1800245031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1800245031 is about 42429.2944909528. The cubic root of 1800245031 is about 1216.4955939449.

The spelling of 1800245031 in words is "one billion, eight hundred million, two hundred forty-five thousand, thirty-one".