1011452531 has 16 divisors (see below), whose sum is σ = 1091543040. Its totient is φ = 934491360.

The previous prime is 1011452527. The next prime is 1011452539. The reversal of 1011452531 is 1352541101.

1011452531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1011452531 - 2² = 1011452527 is a prime.

It is a super-2 number, since 2×1011452531² = 2046072444932611922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011452497 and 1011452506.

It is not an unprimeable number, because it can be changed into a prime (1011452539) 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, 511661 + ... + 513633.

It is an arithmetic number, because the mean of its divisors is an integer number (68221440).

Almost surely, 2^1011452531 is an apocalyptic number.

1011452531 is a deficient number, since it is larger than the sum of its proper divisors (80090509).

1011452531 is a wasteful number, since it uses less digits than its factorization.

1011452531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1011452531 is about 31803.3415068291. The cubic root of 1011452531 is about 1003.8030289696.

Adding to 1011452531 its reverse (1352541101), we get a palindrome (2363993632).

The spelling of 1011452531 in words is "one billion, eleven million, four hundred fifty-two thousand, five hundred thirty-one".