2931053421 has 4 divisors (see below), whose sum is σ = 3908071232. Its totient is φ = 1954035612.

The previous prime is 2931053417. The next prime is 2931053429. The reversal of 2931053421 is 1243501392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2931053421 - 2² = 2931053417 is a prime.

It is a super-5 number, since 5×2931053421⁵ (a number of 49 digits) contains 55555 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 (2931053429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488508901 + ... + 488508906.

It is an arithmetic number, because the mean of its divisors is an integer number (977017808).

Almost surely, 2^2931053421 is an apocalyptic number.

It is an amenable number.

2931053421 is a deficient number, since it is larger than the sum of its proper divisors (977017811).

2931053421 is an equidigital number, since it uses as much as digits as its factorization.

2931053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977017810.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2931053421 is about 54139.2041038654. The cubic root of 2931053421 is about 1431.1151457746.

The spelling of 2931053421 in words is "two billion, nine hundred thirty-one million, fifty-three thousand, four hundred twenty-one".