2820426031 has 8 divisors (see below), whose sum is σ = 2856825504. Its totient is φ = 2784200160.

The previous prime is 2820426023. The next prime is 2820426043. The reversal of 2820426031 is 1306240282.

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 2820426031 - 2³ = 2820426023 is a prime.

It is a super-2 number, since 2×2820426031² = 15909605992684825922, 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 (2820426131) 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, 10540 + ... + 75841.

It is an arithmetic number, because the mean of its divisors is an integer number (357103188).

Almost surely, 2^2820426031 is an apocalyptic number.

2820426031 is a deficient number, since it is larger than the sum of its proper divisors (36399473).

2820426031 is a wasteful number, since it uses less digits than its factorization.

2820426031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86801.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2820426031 is about 53107.6833518466. The cubic root of 2820426031 is about 1412.8787873464.

The spelling of 2820426031 in words is "two billion, eight hundred twenty million, four hundred twenty-six thousand, thirty-one".