1031535012 has 12 divisors (see below), whose sum is σ = 2406915056. Its totient is φ = 343845000.

The previous prime is 1031534971. The next prime is 1031535047. The reversal of 1031535012 is 2105351301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1031535012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42980614 + ... + 42980637.

Almost surely, 2^1031535012 is an apocalyptic number.

1031535012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031535012 is an abundant number, since it is smaller than the sum of its proper divisors (1375380044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031535012 is a wasteful number, since it uses less digits than its factorization.

1031535012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85961258 (or 85961256 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1031535012 is about 32117.5187709138. The cubic root of 1031535012 is about 1010.4030714834.

Adding to 1031535012 its reverse (2105351301), we get a palindrome (3136886313).

The spelling of 1031535012 in words is "one billion, thirty-one million, five hundred thirty-five thousand, twelve".