1831194061 has 2 divisors, whose sum is σ = 1831194062. Its totient is φ = 1831194060.

The previous prime is 1831194011. The next prime is 1831194073. The reversal of 1831194061 is 1604911381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1830213961 + 980100 = 42781^2 + 990^2 .

It is an emirp because it is prime and its reverse (1604911381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1831194061 - 2¹⁹ = 1830669773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1831194011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915597030 + 915597031.

It is an arithmetic number, because the mean of its divisors is an integer number (915597031).

Almost surely, 2^1831194061 is an apocalyptic number.

It is an amenable number.

1831194061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1831194061 is an equidigital number, since it uses as much as digits as its factorization.

1831194061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1831194061 is about 42792.4533183130. The cubic root of 1831194061 is about 1223.4271772942.

The spelling of 1831194061 in words is "one billion, eight hundred thirty-one million, one hundred ninety-four thousand, sixty-one".