1020341531 has 16 divisors (see below), whose sum is σ = 1137885408. Its totient is φ = 907046400.

The previous prime is 1020341521. The next prime is 1020341537. The reversal of 1020341531 is 1351430201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020341531 is a prime.

It is a super-2 number, since 2×1020341531² = 2082193679766847922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020341537) 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, 182051 + ... + 187571.

It is an arithmetic number, because the mean of its divisors is an integer number (71117838).

Almost surely, 2^1020341531 is an apocalyptic number.

1020341531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020341531 is a deficient number, since it is larger than the sum of its proper divisors (117543877).

1020341531 is a wasteful number, since it uses less digits than its factorization.

1020341531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1020341531 is about 31942.7852730472. The cubic root of 1020341531 is about 1006.7350476309.

Adding to 1020341531 its reverse (1351430201), we get a palindrome (2371771732).

The spelling of 1020341531 in words is "one billion, twenty million, three hundred forty-one thousand, five hundred thirty-one".