1151344031 has 2 divisors, whose sum is σ = 1151344032. Its totient is φ = 1151344030.

The previous prime is 1151343983. The next prime is 1151344037. The reversal of 1151344031 is 1304431511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151344031 - 2¹⁴ = 1151327647 is a prime.

It is a super-2 number, since 2×1151344031² = 2651186155438657922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151343988 and 1151344006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151344037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575672015 + 575672016.

It is an arithmetic number, because the mean of its divisors is an integer number (575672016).

Almost surely, 2^1151344031 is an apocalyptic number.

1151344031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151344031 is an equidigital number, since it uses as much as digits as its factorization.

1151344031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1151344031 is about 33931.4607849412. The cubic root of 1151344031 is about 1048.0975470916.

Adding to 1151344031 its reverse (1304431511), we get a palindrome (2455775542).

The spelling of 1151344031 in words is "one billion, one hundred fifty-one million, three hundred forty-four thousand, thirty-one".