1012056031 has 4 divisors (see below), whose sum is σ = 1156635472. Its totient is φ = 867476592.

The previous prime is 1012056011. The next prime is 1012056043. The reversal of 1012056031 is 1306502101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012056031 - 2¹⁵ = 1012023263 is a prime.

It is a super-3 number, since 3×1012056031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012056011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72289710 + ... + 72289723.

It is an arithmetic number, because the mean of its divisors is an integer number (289158868).

Almost surely, 2^1012056031 is an apocalyptic number.

1012056031 is a deficient number, since it is larger than the sum of its proper divisors (144579441).

1012056031 is an equidigital number, since it uses as much as digits as its factorization.

1012056031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144579440.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1012056031 is about 31812.8280886815. The cubic root of 1012056031 is about 1004.0026345412.

Adding to 1012056031 its reverse (1306502101), we get a palindrome (2318558132).

The spelling of 1012056031 in words is "one billion, twelve million, fifty-six thousand, thirty-one".