131103210461 has 4 divisors (see below), whose sum is σ = 132949734624. Its totient is φ = 129256686300.

The previous prime is 131103210391. The next prime is 131103210529. The reversal of 131103210461 is 164012301131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131103210461 - 2²⁶ = 131036101597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103210661) 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, 923261975 + ... + 923262116.

It is an arithmetic number, because the mean of its divisors is an integer number (33237433656).

Almost surely, 2^131103210461 is an apocalyptic number.

It is an amenable number.

131103210461 is a deficient number, since it is larger than the sum of its proper divisors (1846524163).

131103210461 is an equidigital number, since it uses as much as digits as its factorization.

131103210461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846524162.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131103210461 its reverse (164012301131), we get a palindrome (295115511592).

The spelling of 131103210461 in words is "one hundred thirty-one billion, one hundred three million, two hundred ten thousand, four hundred sixty-one".