1020610431 has 6 divisors (see below), whose sum is σ = 1474215080. Its totient is φ = 680406948.

The previous prime is 1020610411. The next prime is 1020610439. The reversal of 1020610431 is 1340160201.

It is a happy number.

1020610431 is a `hidden beast` number, since 1 + 0 + 20 + 610 + 4 + 31 = 666.

It is not a de Polignac number, because 1020610431 - 2⁵ = 1020610399 is a prime.

It is a super-2 number, since 2×1020610431² = 2083291303732011522, 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 (1020610439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56700571 + ... + 56700588.

Almost surely, 2^1020610431 is an apocalyptic number.

1020610431 is a deficient number, since it is larger than the sum of its proper divisors (453604649).

1020610431 is a wasteful number, since it uses less digits than its factorization.

1020610431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113401165 (or 113401162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020610431 is about 31946.9940839510. The cubic root of 1020610431 is about 1006.8234779158.

Adding to 1020610431 its reverse (1340160201), we get a palindrome (2360770632).

The spelling of 1020610431 in words is "one billion, twenty million, six hundred ten thousand, four hundred thirty-one".