2031423345 has 48 divisors (see below), whose sum is σ = 4032467712. Its totient is φ = 926732160.

The previous prime is 2031423337. The next prime is 2031423367. The reversal of 2031423345 is 5433241302.

2031423345 is a `hidden beast` number, since 2 + 0 + 314 + 2 + 3 + 345 = 666.

It is not a de Polignac number, because 2031423345 - 2³ = 2031423337 is a prime.

It is a super-2 number, since 2×2031423345² = 8253361613221978050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152035 + ... + 164855.

It is an arithmetic number, because the mean of its divisors is an integer number (84009744).

Almost surely, 2^2031423345 is an apocalyptic number.

It is an amenable number.

2031423345 is a deficient number, since it is larger than the sum of its proper divisors (2001044367).

2031423345 is a wasteful number, since it uses less digits than its factorization.

2031423345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2031423345 is about 45071.3139923832. The cubic root of 2031423345 is about 1266.4852796206.

Adding to 2031423345 its reverse (5433241302), we get a palindrome (7464664647).

The spelling of 2031423345 in words is "two billion, thirty-one million, four hundred twenty-three thousand, three hundred forty-five".