3100020478 has 16 divisors (see below), whose sum is σ = 4741907184. Its totient is φ = 1519683840.

The previous prime is 3100020467. The next prime is 3100020479. The reversal of 3100020478 is 8740200013.

It is a super-2 number, since 2×3100020478² = 19220253928038696968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100020479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53913 + ... + 95428.

It is an arithmetic number, because the mean of its divisors is an integer number (296369199).

Almost surely, 2^3100020478 is an apocalyptic number.

3100020478 is a deficient number, since it is larger than the sum of its proper divisors (1641886706).

3100020478 is a wasteful number, since it uses less digits than its factorization.

3100020478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149547.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3100020478 is about 55677.8275258653. The cubic root of 3100020478 is about 1458.1029464612.

The spelling of 3100020478 in words is "three billion, one hundred million, twenty thousand, four hundred seventy-eight".