2131451455 has 8 divisors (see below), whose sum is σ = 2923133472. Its totient is φ = 1461566688.

The previous prime is 2131451429. The next prime is 2131451507. The reversal of 2131451455 is 5541541312.

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 2131451455 - 2⁷ = 2131451327 is a prime.

It is a super-3 number, since 3×2131451455³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30449272 + ... + 30449341.

It is an arithmetic number, because the mean of its divisors is an integer number (365391684).

Almost surely, 2^2131451455 is an apocalyptic number.

2131451455 is a deficient number, since it is larger than the sum of its proper divisors (791682017).

2131451455 is an equidigital number, since it uses as much as digits as its factorization.

2131451455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60898625.

The product of its digits is 12000, while the sum is 31.

The square root of 2131451455 is about 46167.6451099685. The cubic root of 2131451455 is about 1286.9405402922.

Adding to 2131451455 its reverse (5541541312), we get a palindrome (7672992767).

The spelling of 2131451455 in words is "two billion, one hundred thirty-one million, four hundred fifty-one thousand, four hundred fifty-five".