2031420347 has 4 divisors (see below), whose sum is σ = 2216094936. Its totient is φ = 1846745760.

The previous prime is 2031420341. The next prime is 2031420379. The reversal of 2031420347 is 7430241302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2031420347 - 2²⁰ = 2030371771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2031420341) 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, 92337278 + ... + 92337299.

It is an arithmetic number, because the mean of its divisors is an integer number (554023734).

Almost surely, 2^2031420347 is an apocalyptic number.

2031420347 is a deficient number, since it is larger than the sum of its proper divisors (184674589).

2031420347 is a wasteful number, since it uses less digits than its factorization.

2031420347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184674588.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2031420347 is about 45071.2807339663. The cubic root of 2031420347 is about 1266.4846565887.

Adding to 2031420347 its reverse (7430241302), we get a palindrome (9461661649).

The spelling of 2031420347 in words is "two billion, thirty-one million, four hundred twenty thousand, three hundred forty-seven".