31032145144070 has 16 divisors (see below), whose sum is σ = 63837555725088. Its totient is φ = 10639592620800.

The previous prime is 31032145144069. The next prime is 31032145144109. The reversal of 31032145144070 is 7044154123013.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 31032145144070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221658179531 + ... + 221658179670.

It is an arithmetic number, because the mean of its divisors is an integer number (3989847232818).

Almost surely, 2^{31032145144070} is an apocalyptic number.

31032145144070 is an abundant number, since it is smaller than the sum of its proper divisors (32805410581018).

31032145144070 is a wasteful number, since it uses less digits than its factorization.

31032145144070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443316359215.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 31032145144070 its reverse (7044154123013), we get a palindrome (38076299267083).

The spelling of 31032145144070 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred forty-four thousand, seventy".