1980360731 has 8 divisors (see below), whose sum is σ = 2038294464. Its totient is φ = 1922659200.

The previous prime is 1980360713. The next prime is 1980360737. The reversal of 1980360731 is 1370630891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1980360731 - 2¹⁴ = 1980344347 is a prime.

It is a super-2 number, since 2×1980360731² = 7843657249773708722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980360737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40670 + ... + 74931.

It is an arithmetic number, because the mean of its divisors is an integer number (254786808).

Almost surely, 2^1980360731 is an apocalyptic number.

1980360731 is a deficient number, since it is larger than the sum of its proper divisors (57933733).

1980360731 is a wasteful number, since it uses less digits than its factorization.

1980360731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116101.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1980360731 is about 44501.2441511471. The cubic root of 1980360731 is about 1255.7834890144.

The spelling of 1980360731 in words is "one billion, nine hundred eighty million, three hundred sixty thousand, seven hundred thirty-one".