1361036631 has 8 divisors (see below), whose sum is σ = 1814928640. Its totient is φ = 907251192.

The previous prime is 1361036629. The next prime is 1361036641. The reversal of 1361036631 is 1366301631.

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

It is not a de Polignac number, because 1361036631 - 2¹ = 1361036629 is a prime.

It is a super-2 number, since 2×1361036631² = 3704841421847660322, 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 (1361036641) 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 7 ways as a sum of consecutive naturals, for example, 10596 + ... + 53238.

It is an arithmetic number, because the mean of its divisors is an integer number (226866080).

Almost surely, 2^1361036631 is an apocalyptic number.

1361036631 is a deficient number, since it is larger than the sum of its proper divisors (453892009).

1361036631 is a wasteful number, since it uses less digits than its factorization.

1361036631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53285.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 1361036631 is about 36892.2299542871. The cubic root of 1361036631 is about 1108.2130789510.

The spelling of 1361036631 in words is "one billion, three hundred sixty-one million, thirty-six thousand, six hundred thirty-one".