1061451031 has 4 divisors (see below), whose sum is σ = 1074887200. Its totient is φ = 1048014864.

The previous prime is 1061451029. The next prime is 1061451037. The reversal of 1061451031 is 1301541601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1301541601 = 73 ⋅17829337.

It is a cyclic number.

It is not a de Polignac number, because 1061451031 - 2¹ = 1061451029 is a prime.

It is a super-2 number, since 2×1061451031² = 2253356582421925922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1061450993 and 1061451011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061451037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6717966 + ... + 6718123.

It is an arithmetic number, because the mean of its divisors is an integer number (268721800).

Almost surely, 2^1061451031 is an apocalyptic number.

1061451031 is a deficient number, since it is larger than the sum of its proper divisors (13436169).

1061451031 is an equidigital number, since it uses as much as digits as its factorization.

1061451031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436168.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1061451031 is about 32579.9176027196. The cubic root of 1061451031 is about 1020.0778586601.

Adding to 1061451031 its reverse (1301541601), we get a palindrome (2362992632).

The spelling of 1061451031 in words is "one billion, sixty-one million, four hundred fifty-one thousand, thirty-one".