31103130030002 has 8 divisors (see below), whose sum is σ = 47915632749036. Its totient is φ = 15131252446992.

The previous prime is 31103130029999. The next prime is 31103130030013. The reversal of 31103130030002 is 20003003130113.

It can be written as a sum of positive squares in 2 ways, for example, as 31077848712001 + 25281318001 = 5574751^2 + 159001^2 .

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

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, 210156283913 + ... + 210156284060.

Almost surely, 2^{31103130030002} is an apocalyptic number.

31103130030002 is a deficient number, since it is larger than the sum of its proper divisors (16812502719034).

31103130030002 is a wasteful number, since it uses less digits than its factorization.

31103130030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420312568012.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31103130030002 its reverse (20003003130113), we get a palindrome (51106133160115).

The spelling of 31103130030002 in words is "thirty-one trillion, one hundred three billion, one hundred thirty million, thirty thousand, two".