1301662131 has 64 divisors (see below), whose sum is σ = 2267774976. Its totient is φ = 644371200.

The previous prime is 1301662123. The next prime is 1301662151. The reversal of 1301662131 is 1312661031.

It is not a de Polignac number, because 1301662131 - 2³ = 1301662123 is a prime.

It is a super-2 number, since 2×1301662131² = 3388648606558922322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301662111) 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 63 ways as a sum of consecutive naturals, for example, 478431 + ... + 481143.

It is an arithmetic number, because the mean of its divisors is an integer number (35433984).

Almost surely, 2^1301662131 is an apocalyptic number.

1301662131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1301662131 is a deficient number, since it is larger than the sum of its proper divisors (966112845).

1301662131 is a wasteful number, since it uses less digits than its factorization.

1301662131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1301662131 is about 36078.5550015518. Note that the first 3 decimals coincide. The cubic root of 1301662131 is about 1091.8578229002.

The spelling of 1301662131 in words is "one billion, three hundred one million, six hundred sixty-two thousand, one hundred thirty-one".