31032134245402 has 4 divisors (see below), whose sum is σ = 46548201368106. Its totient is φ = 15516067122700.

The previous prime is 31032134245369. The next prime is 31032134245429. The reversal of 31032134245402 is 20454243123013.

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., 18247497780681 + 12784636464721 = 4271709^2 + 3575561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7758033561349 + ... + 7758033561352.

Almost surely, 2^{31032134245402} is an apocalyptic number.

31032134245402 is a deficient number, since it is larger than the sum of its proper divisors (15516067122704).

31032134245402 is a wasteful number, since it uses less digits than its factorization.

31032134245402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516067122703.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 31032134245402 its reverse (20454243123013), we get a palindrome (51486377368415).

The spelling of 31032134245402 in words is "thirty-one trillion, thirty-two billion, one hundred thirty-four million, two hundred forty-five thousand, four hundred two".