1131213041 has 8 divisors (see below), whose sum is σ = 1293023424. Its totient is φ = 969454800.

The previous prime is 1131213023. The next prime is 1131213043. The reversal of 1131213041 is 1403121311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131213041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131213043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63191 + ... + 79091.

It is an arithmetic number, because the mean of its divisors is an integer number (161627928).

Almost surely, 2^1131213041 is an apocalyptic number.

It is an amenable number.

1131213041 is a deficient number, since it is larger than the sum of its proper divisors (161810383).

1131213041 is a wasteful number, since it uses less digits than its factorization.

1131213041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26071.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1131213041 is about 33633.5106850296. The cubic root of 1131213041 is about 1041.9530119186.

Adding to 1131213041 its reverse (1403121311), we get a palindrome (2534334352).

The spelling of 1131213041 in words is "one billion, one hundred thirty-one million, two hundred thirteen thousand, forty-one".