1020210431 has 8 divisors (see below), whose sum is σ = 1042735104. Its totient is φ = 997912440.

The previous prime is 1020210371. The next prime is 1020210449. The reversal of 1020210431 is 1340120201.

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 1020210431 - 2¹⁸ = 1019948287 is a prime.

It is a super-2 number, since 2×1020210431² = 2081658647042411522, 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 (1020210481) 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, 47555 + ... + 65588.

It is an arithmetic number, because the mean of its divisors is an integer number (130341888).

Almost surely, 2^1020210431 is an apocalyptic number.

1020210431 is a deficient number, since it is larger than the sum of its proper divisors (22524673).

1020210431 is a wasteful number, since it uses less digits than its factorization.

1020210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113341.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020210431 is about 31940.7331005411. The cubic root of 1020210431 is about 1006.6919285334.

Adding to 1020210431 its reverse (1340120201), we get a palindrome (2360330632).

The spelling of 1020210431 in words is "one billion, twenty million, two hundred ten thousand, four hundred thirty-one".