31432030142 has 8 divisors (see below), whose sum is σ = 47677798800. Its totient is φ = 15539430544.

The previous prime is 31432030139. The next prime is 31432030159. The reversal of 31432030142 is 24103023413.

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, 88292042 + ... + 88292397.

It is an arithmetic number, because the mean of its divisors is an integer number (5959724850).

Almost surely, 2^31432030142 is an apocalyptic number.

31432030142 is a deficient number, since it is larger than the sum of its proper divisors (16245768658).

31432030142 is a wasteful number, since it uses less digits than its factorization.

31432030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176584530.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31432030142 its reverse (24103023413), we get a palindrome (55535053555).

The spelling of 31432030142 in words is "thirty-one billion, four hundred thirty-two million, thirty thousand, one hundred forty-two".