1031214431 has 16 divisors (see below), whose sum is σ = 1125643680. Its totient is φ = 938995200.

The previous prime is 1031214419. The next prime is 1031214439. The reversal of 1031214431 is 1344121301.

It is not a de Polignac number, because 1031214431 - 2⁶ = 1031214367 is a prime.

It is a super-2 number, since 2×1031214431² = 2126806405405307522, 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 (1031214439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694616 + ... + 696098.

It is an arithmetic number, because the mean of its divisors is an integer number (70352730).

Almost surely, 2^1031214431 is an apocalyptic number.

1031214431 is a deficient number, since it is larger than the sum of its proper divisors (94429249).

1031214431 is a wasteful number, since it uses less digits than its factorization.

1031214431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1031214431 is about 32112.5276333085. The cubic root of 1031214431 is about 1010.2983894368.

Adding to 1031214431 its reverse (1344121301), we get a palindrome (2375335732).

The spelling of 1031214431 in words is "one billion, thirty-one million, two hundred fourteen thousand, four hundred thirty-one".