31003032242 has 16 divisors (see below), whose sum is σ = 57236367552. Its totient is φ = 12264935760.

The previous prime is 31003032199. The next prime is 31003032271. The reversal of 31003032242 is 24223030013.

It is a super-2 number, since 2×31003032242² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85172984 + ... + 85173347.

It is an arithmetic number, because the mean of its divisors is an integer number (3577272972).

Almost surely, 2^31003032242 is an apocalyptic number.

31003032242 is a deficient number, since it is larger than the sum of its proper divisors (26233335310).

31003032242 is a wasteful number, since it uses less digits than its factorization.

31003032242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170346353.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31003032242 its reverse (24223030013), we get a palindrome (55226062255).

The spelling of 31003032242 in words is "thirty-one billion, three million, thirty-two thousand, two hundred forty-two".