1331470057 has 16 divisors (see below), whose sum is σ = 1389146112. Its totient is φ = 1274794560.

The previous prime is 1331470043. The next prime is 1331470099. The reversal of 1331470057 is 7500741331.

It is a cyclic number.

It is not a de Polignac number, because 1331470057 - 2⁷ = 1331469929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331470037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1542408 + ... + 1543270.

It is an arithmetic number, because the mean of its divisors is an integer number (86821632).

Almost surely, 2^1331470057 is an apocalyptic number.

It is an amenable number.

1331470057 is a deficient number, since it is larger than the sum of its proper divisors (57676055).

1331470057 is a wasteful number, since it uses less digits than its factorization.

1331470057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1331470057 is about 36489.3142851438. The cubic root of 1331470057 is about 1100.1294770456.

The spelling of 1331470057 in words is "one billion, three hundred thirty-one million, four hundred seventy thousand, fifty-seven".