1025830031 has 4 divisors (see below), whose sum is σ = 1086172992. Its totient is φ = 965487072.

The previous prime is 1025830027. The next prime is 1025830049. The reversal of 1025830031 is 1300385201.

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 1025830031 - 2² = 1025830027 is a prime.

It is a super-2 number, since 2×1025830031² = 2104654505002921922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025829979 and 1025830006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025830051) 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 3 ways as a sum of consecutive naturals, for example, 30171455 + ... + 30171488.

It is an arithmetic number, because the mean of its divisors is an integer number (271543248).

Almost surely, 2^1025830031 is an apocalyptic number.

1025830031 is a deficient number, since it is larger than the sum of its proper divisors (60342961).

1025830031 is an equidigital number, since it uses as much as digits as its factorization.

1025830031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60342960.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1025830031 is about 32028.5814703055. The cubic root of 1025830031 is about 1008.5369238764.

The spelling of 1025830031 in words is "one billion, twenty-five million, eight hundred thirty thousand, thirty-one".