2146623031 has 16 divisors (see below), whose sum is σ = 2602955520. Its totient is φ = 1728155520.

The previous prime is 2146623029. The next prime is 2146623041. The reversal of 2146623031 is 1303266412.

It is not a de Polignac number, because 2146623031 - 2¹ = 2146623029 is a prime.

It is a super-2 number, since 2×2146623031² = 9215980874439253922, 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 (2146623041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40060 + ... + 76798.

It is an arithmetic number, because the mean of its divisors is an integer number (162684720).

Almost surely, 2^2146623031 is an apocalyptic number.

2146623031 is a deficient number, since it is larger than the sum of its proper divisors (456332489).

2146623031 is a wasteful number, since it uses less digits than its factorization.

2146623031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37254.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2146623031 is about 46331.6633739822. The cubic root of 2146623031 is about 1289.9867857148.

Adding to 2146623031 its reverse (1303266412), we get a palindrome (3449889443).

The spelling of 2146623031 in words is "two billion, one hundred forty-six million, six hundred twenty-three thousand, thirty-one".