1361708431 has 8 divisors (see below), whose sum is σ = 1377177984. Its totient is φ = 1346326560.

The previous prime is 1361708423. The next prime is 1361708459. The reversal of 1361708431 is 1348071631.

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 1361708431 - 2³ = 1361708423 is a prime.

It is a super-2 number, since 2×1361708431² = 3708499702112963522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361708461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9570 + ... + 53056.

It is an arithmetic number, because the mean of its divisors is an integer number (172147248).

Almost surely, 2^1361708431 is an apocalyptic number.

1361708431 is a deficient number, since it is larger than the sum of its proper divisors (15469553).

1361708431 is a wasteful number, since it uses less digits than its factorization.

1361708431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43841.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1361708431 is about 36901.3337292841. Note that the first 3 decimals coincide. The cubic root of 1361708431 is about 1108.3953848664.

The spelling of 1361708431 in words is "one billion, three hundred sixty-one million, seven hundred eight thousand, four hundred thirty-one".