31203314043452 has 6 divisors (see below), whose sum is σ = 54605799576048. Its totient is φ = 15601657021724.

The previous prime is 31203314043449. The next prime is 31203314043467. The reversal of 31203314043452 is 25434041330213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3900414255428 + ... + 3900414255435.

It is an arithmetic number, because the mean of its divisors is an integer number (9100966596008).

Almost surely, 2^{31203314043452} is an apocalyptic number.

It is an amenable number.

31203314043452 is a deficient number, since it is larger than the sum of its proper divisors (23402485532596).

31203314043452 is a wasteful number, since it uses less digits than its factorization.

31203314043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800828510867 (or 7800828510865 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 31203314043452 its reverse (25434041330213), we get a palindrome (56637355373665).

The spelling of 31203314043452 in words is "thirty-one trillion, two hundred three billion, three hundred fourteen million, forty-three thousand, four hundred fifty-two".