31375436045 has 8 divisors (see below), whose sum is σ = 39865260024. Its totient is φ = 23623857664.

The previous prime is 31375435969. The next prime is 31375436051. The reversal of 31375436045 is 54063457313.

It can be written as a sum of positive squares in 4 ways, for example, as 7904276836 + 23471159209 = 88906^2 + 153203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31375436045 - 2¹² = 31375431949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31375435993 and 31375436011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184561304 + ... + 184561473.

It is an arithmetic number, because the mean of its divisors is an integer number (4983157503).

Almost surely, 2^31375436045 is an apocalyptic number.

It is an amenable number.

31375436045 is a deficient number, since it is larger than the sum of its proper divisors (8489823979).

31375436045 is a wasteful number, since it uses less digits than its factorization.

31375436045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369122799.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 31375436045 in words is "thirty-one billion, three hundred seventy-five million, four hundred thirty-six thousand, forty-five".