31445717143030 has 16 divisors (see below), whose sum is σ = 59581358797680. Its totient is φ = 11916271759392.

The previous prime is 31445717143007. The next prime is 31445717143073. The reversal of 31445717143030 is 3034171754413.

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, 82751887029 + ... + 82751887408.

It is an arithmetic number, because the mean of its divisors is an integer number (3723834924855).

Almost surely, 2^{31445717143030} is an apocalyptic number.

31445717143030 is a deficient number, since it is larger than the sum of its proper divisors (28135641654650).

31445717143030 is a wasteful number, since it uses less digits than its factorization.

31445717143030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165503774463.

The product of its (nonzero) digits is 423360, while the sum is 43.

Adding to 31445717143030 its reverse (3034171754413), we get a palindrome (34479888897443).

The spelling of 31445717143030 in words is "thirty-one trillion, four hundred forty-five billion, seven hundred seventeen million, one hundred forty-three thousand, thirty".