31032145143448 has 16 divisors (see below), whose sum is σ = 58202320326480. Its totient is φ = 15511526389728.

The previous prime is 31032145143413. The next prime is 31032145143449. The reversal of 31032145143448 is 84434154123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032145143449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568243740 + ... + 568298347.

It is an arithmetic number, because the mean of its divisors is an integer number (3637645020405).

Almost surely, 2^{31032145143448} is an apocalyptic number.

It is an amenable number.

31032145143448 is a deficient number, since it is larger than the sum of its proper divisors (27170175183032).

31032145143448 is a wasteful number, since it uses less digits than its factorization.

31032145143448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136545506 (or 1136545502 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 31032145143448 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred forty-three thousand, four hundred forty-eight".