331096061 has 4 divisors (see below), whose sum is σ = 331984092. Its totient is φ = 330208032.

The previous prime is 331096049. The next prime is 331096067. The reversal of 331096061 is 160690133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160690133 = 47 ⋅3418939.

It can be written as a sum of positive squares in 2 ways, for example, as 171452836 + 159643225 = 13094^2 + 12635^2 .

It is a cyclic number.

It is not a de Polignac number, because 331096061 - 2¹⁴ = 331079677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331096067) 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, 443456 + ... + 444201.

It is an arithmetic number, because the mean of its divisors is an integer number (82996023).

Almost surely, 2^331096061 is an apocalyptic number.

It is an amenable number.

331096061 is a deficient number, since it is larger than the sum of its proper divisors (888031).

331096061 is an equidigital number, since it uses as much as digits as its factorization.

331096061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888030.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 331096061 is about 18196.0452021861. The cubic root of 331096061 is about 691.8065528136.

The spelling of 331096061 in words is "three hundred thirty-one million, ninety-six thousand, sixty-one".