2031145944 has 32 divisors (see below), whose sum is σ = 5107227120. Its totient is φ = 673133696.

The previous prime is 2031145933. The next prime is 2031145951. The reversal of 2031145944 is 4495411302.

It is a super-2 number, since 2×2031145944² = 8251107691655302272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240447 + ... + 248750.

Almost surely, 2^2031145944 is an apocalyptic number.

2031145944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2031145944 is an abundant number, since it is smaller than the sum of its proper divisors (3076081176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031145944 is a wasteful number, since it uses less digits than its factorization.

2031145944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489379 (or 489375 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2031145944 is about 45068.2365308429. The cubic root of 2031145944 is about 1266.4276287003.

The spelling of 2031145944 in words is "two billion, thirty-one million, one hundred forty-five thousand, nine hundred forty-four".