2154414331 has 8 divisors (see below), whose sum is σ = 2248604064. Its totient is φ = 2062207680.

The previous prime is 2154414289. The next prime is 2154414349. The reversal of 2154414331 is 1334144512.

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 2154414331 - 2¹⁵ = 2154381563 is a prime.

It is a super-2 number, since 2×2154414331² = 9283002219236355122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154414331.

It is not an unprimeable number, because it can be changed into a prime (2154414371) 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, 493551 + ... + 497896.

It is an arithmetic number, because the mean of its divisors is an integer number (281075508).

Almost surely, 2^2154414331 is an apocalyptic number.

2154414331 is a deficient number, since it is larger than the sum of its proper divisors (94189733).

2154414331 is an equidigital number, since it uses as much as digits as its factorization.

2154414331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991541.

The product of its digits is 5760, while the sum is 28.

The square root of 2154414331 is about 46415.6690245869. The cubic root of 2154414331 is about 1291.5455966957.

Adding to 2154414331 its reverse (1334144512), we get a palindrome (3488558843).

The spelling of 2154414331 in words is "two billion, one hundred fifty-four million, four hundred fourteen thousand, three hundred thirty-one".