31202034432013 has 16 divisors (see below), whose sum is σ = 32910790059520. Its totient is φ = 29499954500016.

The previous prime is 31202034431963. The next prime is 31202034432097. The reversal of 31202034432013 is 31023443020213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31202034432013 - 2¹³ = 31202034423821 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 (31202034439013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52783120 + ... + 53370982.

It is an arithmetic number, because the mean of its divisors is an integer number (2056924378720).

Almost surely, 2^{31202034432013} is an apocalyptic number.

It is an amenable number.

31202034432013 is a deficient number, since it is larger than the sum of its proper divisors (1708755627507).

31202034432013 is a wasteful number, since it uses less digits than its factorization.

31202034432013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593536.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31202034432013 its reverse (31023443020213), we get a palindrome (62225477452226).

The spelling of 31202034432013 in words is "thirty-one trillion, two hundred two billion, thirty-four million, four hundred thirty-two thousand, thirteen".