1031535213 has 32 divisors (see below), whose sum is σ = 1487861760. Its totient is φ = 633588480.

The previous prime is 1031535203. The next prime is 1031535221. The reversal of 1031535213 is 3125351301.

It is not a de Polignac number, because 1031535213 - 2²¹ = 1029438061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031535203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663445 + ... + 664997.

It is an arithmetic number, because the mean of its divisors is an integer number (46495680).

Almost surely, 2^1031535213 is an apocalyptic number.

It is an amenable number.

1031535213 is a deficient number, since it is larger than the sum of its proper divisors (456326547).

1031535213 is a wasteful number, since it uses less digits than its factorization.

1031535213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1031535213 is about 32117.5219000470. The cubic root of 1031535213 is about 1010.4031371108.

Adding to 1031535213 its reverse (3125351301), we get a palindrome (4156886514).

The spelling of 1031535213 in words is "one billion, thirty-one million, five hundred thirty-five thousand, two hundred thirteen".