1530671131 has 4 divisors (see below), whose sum is σ = 1669823064. Its totient is φ = 1391519200.

The previous prime is 1530671117. The next prime is 1530671147. The reversal of 1530671131 is 1311760351.

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 1530671131 - 2⁷ = 1530671003 is a prime.

It is a super-2 number, since 2×1530671131² = 4685908222553638322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530671131.

It is not an unprimeable number, because it can be changed into a prime (1530671101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69575950 + ... + 69575971.

It is an arithmetic number, because the mean of its divisors is an integer number (417455766).

Almost surely, 2^1530671131 is an apocalyptic number.

1530671131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1530671131 is a deficient number, since it is larger than the sum of its proper divisors (139151933).

1530671131 is a wasteful number, since it uses less digits than its factorization.

1530671131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139151932.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1530671131 is about 39123.7923903090. The cubic root of 1530671131 is about 1152.4638117889.

The spelling of 1530671131 in words is "one billion, five hundred thirty million, six hundred seventy-one thousand, one hundred thirty-one".