2031442431 has 32 divisors (see below), whose sum is σ = 2910750720. Its totient is φ = 1257379200.

The previous prime is 2031442429. The next prime is 2031442451. The reversal of 2031442431 is 1342441302.

It is not a de Polignac number, because 2031442431 - 2¹ = 2031442429 is a prime.

It is a super-2 number, since 2×2031442431² = 8253516700934379522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031442451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437301 + ... + 441921.

It is an arithmetic number, because the mean of its divisors is an integer number (90960960).

Almost surely, 2^2031442431 is an apocalyptic number.

2031442431 is a deficient number, since it is larger than the sum of its proper divisors (879308289).

2031442431 is a wasteful number, since it uses less digits than its factorization.

2031442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2031442431 is about 45071.5257230105. The cubic root of 2031442431 is about 1266.4892459795.

Adding to 2031442431 its reverse (1342441302), we get a palindrome (3373883733).

The spelling of 2031442431 in words is "two billion, thirty-one million, four hundred forty-two thousand, four hundred thirty-one".