1301181949671 has 32 divisors (see below), whose sum is σ = 1834885428480. Its totient is φ = 817903008000.

The previous prime is 1301181949631. The next prime is 1301181949729. The reversal of 1301181949671 is 1769491811031.

It is not a de Polignac number, because 1301181949671 - 2¹¹ = 1301181947623 is a prime.

It is a super-2 number, since 2×1301181949671² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301181949601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31069896 + ... + 31111746.

It is an arithmetic number, because the mean of its divisors is an integer number (57340169640).

Almost surely, 2^{1301181949671} is an apocalyptic number.

1301181949671 is a deficient number, since it is larger than the sum of its proper divisors (533703478809).

1301181949671 is a wasteful number, since it uses less digits than its factorization.

1301181949671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44447.

The product of its (nonzero) digits is 326592, while the sum is 51.

The spelling of 1301181949671 in words is "one trillion, three hundred one billion, one hundred eighty-one million, nine hundred forty-nine thousand, six hundred seventy-one".