31303442342 has 8 divisors (see below), whose sum is σ = 46956759696. Its totient is φ = 15651189112.

The previous prime is 31303442341. The next prime is 31303442347. The reversal of 31303442342 is 24324430313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31303442341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187898 + ... + 312909.

It is an arithmetic number, because the mean of its divisors is an integer number (5869594962).

Almost surely, 2^31303442342 is an apocalyptic number.

31303442342 is a deficient number, since it is larger than the sum of its proper divisors (15653317354).

31303442342 is a wasteful number, since it uses less digits than its factorization.

31303442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532062.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 31303442342 its reverse (24324430313), we get a palindrome (55627872655).

The spelling of 31303442342 in words is "thirty-one billion, three hundred three million, four hundred forty-two thousand, three hundred forty-two".