31834566461 has 4 divisors (see below), whose sum is σ = 32309709312. Its totient is φ = 31359423612.

The previous prime is 31834566437. The next prime is 31834566473. The reversal of 31834566461 is 16466543813.

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 31834566461 - 2²⁶ = 31767457597 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 (31834566431) 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, 237571325 + ... + 237571458.

It is an arithmetic number, because the mean of its divisors is an integer number (8077427328).

Almost surely, 2^31834566461 is an apocalyptic number.

It is an amenable number.

31834566461 is a deficient number, since it is larger than the sum of its proper divisors (475142851).

31834566461 is an equidigital number, since it uses as much as digits as its factorization.

31834566461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475142850.

The product of its digits is 1244160, while the sum is 47.

The spelling of 31834566461 in words is "thirty-one billion, eight hundred thirty-four million, five hundred sixty-six thousand, four hundred sixty-one".