31303343042 has 8 divisors (see below), whose sum is σ = 47840958396. Its totient is φ = 15356356912.

The previous prime is 31303343041. The next prime is 31303343047. The reversal of 31303343042 is 24034330313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29832543841 + 1470799201 = 172721^2 + 38351^2 .

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

It is a super-3 number, since 3×31303343042³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (31303343041) 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, 147657173 + ... + 147657384.

Almost surely, 2^31303343042 is an apocalyptic number.

31303343042 is a deficient number, since it is larger than the sum of its proper divisors (16537615354).

31303343042 is a wasteful number, since it uses less digits than its factorization.

31303343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295314612.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31303343042 its reverse (24034330313), we get a palindrome (55337673355).

The spelling of 31303343042 in words is "thirty-one billion, three hundred three million, three hundred forty-three thousand, forty-two".