1028572031 has 2 divisors, whose sum is σ = 1028572032. Its totient is φ = 1028572030.

The previous prime is 1028572009. The next prime is 1028572091. The reversal of 1028572031 is 1302758201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028572031 - 2⁶ = 1028571967 is a prime.

It is a super-2 number, since 2×1028572031² = 2115920845910929922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1028571985 and 1028572003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028572001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514286015 + 514286016.

It is an arithmetic number, because the mean of its divisors is an integer number (514286016).

Almost surely, 2^1028572031 is an apocalyptic number.

1028572031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028572031 is an equidigital number, since it uses as much as digits as its factorization.

1028572031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1028572031 is about 32071.3584214950. The cubic root of 1028572031 is about 1009.4347165173.

The spelling of 1028572031 in words is "one billion, twenty-eight million, five hundred seventy-two thousand, thirty-one".