131103433066 has 4 divisors (see below), whose sum is σ = 196655149602. Its totient is φ = 65551716532.

The previous prime is 131103433037. The next prime is 131103433081. The reversal of 131103433066 is 660334301131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95880026025 + 35223407041 = 309645^2 + 187679^2 .

It is a super-2 number, since 2×131103433066² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32775858265 + ... + 32775858268.

Almost surely, 2^131103433066 is an apocalyptic number.

131103433066 is a deficient number, since it is larger than the sum of its proper divisors (65551716536).

131103433066 is an equidigital number, since it uses as much as digits as its factorization.

131103433066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65551716535.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 131103433066 its reverse (660334301131), we get a palindrome (791437734197).

The spelling of 131103433066 in words is "one hundred thirty-one billion, one hundred three million, four hundred thirty-three thousand, sixty-six".