31485336941 has 4 divisors (see below), whose sum is σ = 31485774432. Its totient is φ = 31484899452.

The previous prime is 31485336877. The next prime is 31485336983. The reversal of 31485336941 is 14963358413.

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 31485336941 - 2⁶ = 31485336877 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 (31485336041) 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 3 ways as a sum of consecutive naturals, for example, 82511 + ... + 264156.

It is an arithmetic number, because the mean of its divisors is an integer number (7871443608).

Almost surely, 2^31485336941 is an apocalyptic number.

It is an amenable number.

31485336941 is a deficient number, since it is larger than the sum of its proper divisors (437491).

31485336941 is an equidigital number, since it uses as much as digits as its factorization.

31485336941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437490.

The product of its digits is 933120, while the sum is 47.

The spelling of 31485336941 in words is "thirty-one billion, four hundred eighty-five million, three hundred thirty-six thousand, nine hundred forty-one".