31534213035002 has 4 divisors (see below), whose sum is σ = 47301319552506. Its totient is φ = 15767106517500.

The previous prime is 31534213034969. The next prime is 31534213035011. The reversal of 31534213035002 is 20053031243513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23033961995641 + 8500251039361 = 4799371^2 + 2915519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31534213035002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7883553258749 + ... + 7883553258752.

Almost surely, 2^{31534213035002} is an apocalyptic number.

31534213035002 is a deficient number, since it is larger than the sum of its proper divisors (15767106517504).

31534213035002 is a wasteful number, since it uses less digits than its factorization.

31534213035002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767106517503.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 31534213035002 its reverse (20053031243513), we get a palindrome (51587244278515).

The spelling of 31534213035002 in words is "thirty-one trillion, five hundred thirty-four billion, two hundred thirteen million, thirty-five thousand, two".