1151341531 has 2 divisors, whose sum is σ = 1151341532. Its totient is φ = 1151341530.

The previous prime is 1151341523. The next prime is 1151341549. The reversal of 1151341531 is 1351431511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151341531 - 2³ = 1151341523 is a prime.

It is a super-2 number, since 2×1151341531² = 2651174642010847922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151341496 and 1151341505.

It is not a weakly prime, because it can be changed into another prime (1151341571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575670765 + 575670766.

It is an arithmetic number, because the mean of its divisors is an integer number (575670766).

Almost surely, 2^1151341531 is an apocalyptic number.

1151341531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151341531 is an equidigital number, since it uses as much as digits as its factorization.

1151341531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 25.

The square root of 1151341531 is about 33931.4239459531. The cubic root of 1151341531 is about 1048.0967884866.

The spelling of 1151341531 in words is "one billion, one hundred fifty-one million, three hundred forty-one thousand, five hundred thirty-one".