1428052031 has 8 divisors (see below), whose sum is σ = 1665367200. Its totient is φ = 1224044304.

The previous prime is 1428052019. The next prime is 1428052057. The reversal of 1428052031 is 1302508241.

It is not a de Polignac number, because 1428052031 - 2¹⁰ = 1428051007 is a prime.

It is a super-2 number, since 2×1428052031² = 4078665206486449922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428052001) 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 7 ways as a sum of consecutive naturals, for example, 2081366 + ... + 2082051.

It is an arithmetic number, because the mean of its divisors is an integer number (208170900).

Almost surely, 2^1428052031 is an apocalyptic number.

1428052031 is a deficient number, since it is larger than the sum of its proper divisors (237315169).

1428052031 is an frugal number, since it uses more digits than its factorization.

1428052031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163438 (or 4163424 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1428052031 is about 37789.5756922461. The cubic root of 1428052031 is about 1126.1113708017. Note that the first 3 decimals are identical.

The spelling of 1428052031 in words is "one billion, four hundred twenty-eight million, fifty-two thousand, thirty-one".