31636452041 has 4 divisors (see below), whose sum is σ = 32656982784. Its totient is φ = 30615921300.

The previous prime is 31636452013. The next prime is 31636452053. The reversal of 31636452041 is 14025463613.

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 a de Polignac number, because none of the positive numbers 2^k-31636452041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31636451992 and 31636452010.

It is not an unprimeable number, because it can be changed into a prime (31636452061) 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, 510265325 + ... + 510265386.

It is an arithmetic number, because the mean of its divisors is an integer number (8164245696).

Almost surely, 2^31636452041 is an apocalyptic number.

31636452041 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31636452041 is a deficient number, since it is larger than the sum of its proper divisors (1020530743).

31636452041 is a wasteful number, since it uses less digits than its factorization.

31636452041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020530742.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 31636452041 in words is "thirty-one billion, six hundred thirty-six million, four hundred fifty-two thousand, forty-one".