1012032231 has 48 divisors (see below), whose sum is σ = 1627591680. Its totient is φ = 557141760.

The previous prime is 1012032209. The next prime is 1012032257. The reversal of 1012032231 is 1322302101.

It is not a de Polignac number, because 1012032231 - 2⁶ = 1012032167 is a prime.

It is a super-2 number, since 2×1012032231² = 2048418473165674722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012032231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012037231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1535380 + ... + 1536038.

It is an arithmetic number, because the mean of its divisors is an integer number (33908160).

Almost surely, 2^1012032231 is an apocalyptic number.

1012032231 is a deficient number, since it is larger than the sum of its proper divisors (615559449).

1012032231 is a wasteful number, since it uses less digits than its factorization.

1012032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012032231 is about 31812.4540235424. The cubic root of 1012032231 is about 1003.9947642754.

Adding to 1012032231 its reverse (1322302101), we get a palindrome (2334334332).

The spelling of 1012032231 in words is "one billion, twelve million, thirty-two thousand, two hundred thirty-one".