31242143302 has 8 divisors (see below), whose sum is σ = 47389768200. Its totient is φ = 15445553904.

The previous prime is 31242143293. The next prime is 31242143341. The reversal of 31242143302 is 20334124213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87758652 + ... + 87759007.

It is an arithmetic number, because the mean of its divisors is an integer number (5923721025).

Almost surely, 2^31242143302 is an apocalyptic number.

31242143302 is a deficient number, since it is larger than the sum of its proper divisors (16147624898).

31242143302 is a wasteful number, since it uses less digits than its factorization.

31242143302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175517750.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31242143302 its reverse (20334124213), we get a palindrome (51576267515).

The spelling of 31242143302 in words is "thirty-one billion, two hundred forty-two million, one hundred forty-three thousand, three hundred two".