1021412431 has 8 divisors (see below), whose sum is σ = 1157876720. Its totient is φ = 893218752.

The previous prime is 1021412429. The next prime is 1021412443. The reversal of 1021412431 is 1342141201.

1021412431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021412431 - 2¹ = 1021412429 is a prime.

It is a super-2 number, since 2×1021412431² = 2086566708402659522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1021412399 and 1021412408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021412401) 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, 2067390 + ... + 2067883.

It is an arithmetic number, because the mean of its divisors is an integer number (144734590).

Almost surely, 2^1021412431 is an apocalyptic number.

1021412431 is a deficient number, since it is larger than the sum of its proper divisors (136464289).

1021412431 is a wasteful number, since it uses less digits than its factorization.

1021412431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135305.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1021412431 is about 31959.5436606970. The cubic root of 1021412431 is about 1007.0871309192.

Adding to 1021412431 its reverse (1342141201), we get a palindrome (2363553632).

The spelling of 1021412431 in words is "one billion, twenty-one million, four hundred twelve thousand, four hundred thirty-one".