1631341087 has 8 divisors (see below), whose sum is σ = 1672144992. Its totient is φ = 1590585600.

The previous prime is 1631341069. The next prime is 1631341093. The reversal of 1631341087 is 7801431361.

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 1631341087 - 2⁷ = 1631340959 is a prime.

It is a super-2 number, since 2×1631341087² = 5322547484268683138, 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 (1631341067) 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, 61662 + ... + 84052.

It is an arithmetic number, because the mean of its divisors is an integer number (209018124).

Almost surely, 2^1631341087 is an apocalyptic number.

1631341087 is a deficient number, since it is larger than the sum of its proper divisors (40803905).

1631341087 is a wasteful number, since it uses less digits than its factorization.

1631341087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24209.

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

The square root of 1631341087 is about 40389.8636665191. The cubic root of 1631341087 is about 1177.1945916309.

The spelling of 1631341087 in words is "one billion, six hundred thirty-one million, three hundred forty-one thousand, eighty-seven".