1151002031 has 16 divisors (see below), whose sum is σ = 1214054400. Its totient is φ = 1090011168.

The previous prime is 1151002009. The next prime is 1151002049. The reversal of 1151002031 is 1302001511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151002031 is a prime.

It is a super-2 number, since 2×1151002031² = 2649611350732249922, 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 = 1151001997 and 1151002015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151002081) 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 15 ways as a sum of consecutive naturals, for example, 222290 + ... + 227408.

It is an arithmetic number, because the mean of its divisors is an integer number (75878400).

Almost surely, 2^1151002031 is an apocalyptic number.

1151002031 is a deficient number, since it is larger than the sum of its proper divisors (63052369).

1151002031 is a wasteful number, since it uses less digits than its factorization.

1151002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1151002031 is about 33926.4208398116. The cubic root of 1151002031 is about 1047.9937597355.

Adding to 1151002031 its reverse (1302001511), we get a palindrome (2453003542).

The spelling of 1151002031 in words is "one billion, one hundred fifty-one million, two thousand, thirty-one".