1311551041 has 8 divisors (see below), whose sum is σ = 1351713440. Its totient is φ = 1271827872.

The previous prime is 1311551029. The next prime is 1311551089. The reversal of 1311551041 is 1401551131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311551041 - 2⁷ = 1311550913 is a prime.

It is a super-2 number, since 2×1311551041² = 3440332266296367362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311531041) 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, 103740 + ... + 115693.

It is an arithmetic number, because the mean of its divisors is an integer number (168964180).

Almost surely, 2^1311551041 is an apocalyptic number.

It is an amenable number.

1311551041 is a deficient number, since it is larger than the sum of its proper divisors (40162399).

1311551041 is a wasteful number, since it uses less digits than its factorization.

1311551041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219615.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1311551041 is about 36215.3426188404. The cubic root of 1311551041 is about 1094.6158493453.

The spelling of 1311551041 in words is "one billion, three hundred eleven million, five hundred fifty-one thousand, forty-one".