103101431661 has 12 divisors (see below), whose sum is σ = 154440004992. Its totient is φ = 68734287612.

The previous prime is 103101431621. The next prime is 103101431731. The reversal of 103101431661 is 166134101301.

It is not a de Polignac number, because 103101431661 - 2¹⁰ = 103101430637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103101431621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212142621 + ... + 212143106.

It is an arithmetic number, because the mean of its divisors is an integer number (12870000416).

Almost surely, 2^103101431661 is an apocalyptic number.

It is an amenable number.

103101431661 is a deficient number, since it is larger than the sum of its proper divisors (51338573331).

103101431661 is an frugal number, since it uses more digits than its factorization.

103101431661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424285742 (or 424285730 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 103101431661 its reverse (166134101301), we get a palindrome (269235532962).

The spelling of 103101431661 in words is "one hundred three billion, one hundred one million, four hundred thirty-one thousand, six hundred sixty-one".