2664021031 has 8 divisors (see below), whose sum is σ = 3046435200. Its totient is φ = 2282066808.

The previous prime is 2664021007. The next prime is 2664021049. The reversal of 2664021031 is 1301204662.

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

It is not a de Polignac number, because 2664021031 - 2¹⁷ = 2663889959 is a prime.

It is a super-2 number, since 2×2664021031² = 14194016107220605922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2664020987 and 2664021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664021001) 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, 102481 + ... + 125818.

It is an arithmetic number, because the mean of its divisors is an integer number (380804400).

Almost surely, 2^2664021031 is an apocalyptic number.

2664021031 is a deficient number, since it is larger than the sum of its proper divisors (382414169).

2664021031 is a wasteful number, since it uses less digits than its factorization.

2664021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229973.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2664021031 is about 51614.1553355279. The cubic root of 2664021031 is about 1386.2638016288.

Adding to 2664021031 its reverse (1301204662), we get a palindrome (3965225693).

The spelling of 2664021031 in words is "two billion, six hundred sixty-four million, twenty-one thousand, thirty-one".