1020412431 has 8 divisors (see below), whose sum is σ = 1511722160. Its totient is φ = 680274936.

The previous prime is 1020412417. The next prime is 1020412439. The reversal of 1020412431 is 1342140201.

It is not a de Polignac number, because 1020412431 - 2¹⁷ = 1020281359 is a prime.

It is a super-2 number, since 2×1020412431² = 2082483058678659522, 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 (1020412439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18896500 + ... + 18896553.

It is an arithmetic number, because the mean of its divisors is an integer number (188965270).

Almost surely, 2^1020412431 is an apocalyptic number.

1020412431 is a deficient number, since it is larger than the sum of its proper divisors (491309729).

1020412431 is an equidigital number, since it uses as much as digits as its factorization.

1020412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37793062 (or 37793056 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1020412431 is about 31943.8950505413. The cubic root of 1020412431 is about 1006.7583652683.

Adding to 1020412431 its reverse (1342140201), we get a palindrome (2362552632).

The spelling of 1020412431 in words is "one billion, twenty million, four hundred twelve thousand, four hundred thirty-one".