31434340342 has 8 divisors (see below), whose sum is σ = 48425875776. Its totient is φ = 15292381752.

The previous prime is 31434340337. The next prime is 31434340351. The reversal of 31434340342 is 24304343413.

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, 212394118 + ... + 212394265.

It is an arithmetic number, because the mean of its divisors is an integer number (6053234472).

Almost surely, 2^31434340342 is an apocalyptic number.

31434340342 is a deficient number, since it is larger than the sum of its proper divisors (16991535434).

31434340342 is a wasteful number, since it uses less digits than its factorization.

31434340342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424788422.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 31434340342 its reverse (24304343413), we get a palindrome (55738683755).

The spelling of 31434340342 in words is "thirty-one billion, four hundred thirty-four million, three hundred forty thousand, three hundred forty-two".