1241311131 has 12 divisors (see below), whose sum is σ = 1793399608. Its totient is φ = 827358624.

The previous prime is 1241311129. The next prime is 1241311133. The reversal of 1241311131 is 1311131421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1241311129) and next prime (1241311133).

It is not a de Polignac number, because 1241311131 - 2¹ = 1241311129 is a prime.

It is a super-2 number, since 2×1241311131² = 3081706647888998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241311133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37671 + ... + 62463.

Almost surely, 2^1241311131 is an apocalyptic number.

1241311131 is a deficient number, since it is larger than the sum of its proper divisors (552088477).

1241311131 is a wasteful number, since it uses less digits than its factorization.

1241311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30362 (or 30359 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1241311131 is about 35232.2456139259. The cubic root of 1241311131 is about 1074.7155926189.

Adding to 1241311131 its reverse (1311131421), we get a palindrome (2552442552).

The spelling of 1241311131 in words is "one billion, two hundred forty-one million, three hundred eleven thousand, one hundred thirty-one".