331261411 has 4 divisors (see below), whose sum is σ = 356743072. Its totient is φ = 305779752.

The previous prime is 331261393. The next prime is 331261429. The reversal of 331261411 is 114162133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114162133 = 23 ⋅4963571.

It is an interprime number because it is at equal distance from previous prime (331261393) and next prime (331261429).

It is a cyclic number.

It is not a de Polignac number, because 331261411 - 2⁷ = 331261283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331201411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12740811 + ... + 12740836.

It is an arithmetic number, because the mean of its divisors is an integer number (89185768).

Almost surely, 2^331261411 is an apocalyptic number.

331261411 is a deficient number, since it is larger than the sum of its proper divisors (25481661).

331261411 is a wasteful number, since it uses less digits than its factorization.

331261411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25481660.

The product of its digits is 432, while the sum is 22.

The square root of 331261411 is about 18200.5882047806. The cubic root of 331261411 is about 691.9216968156.

The spelling of 331261411 in words is "three hundred thirty-one million, two hundred sixty-one thousand, four hundred eleven".