31030110122002 has 4 divisors (see below), whose sum is σ = 46545165183006. Its totient is φ = 15515055061000.

The previous prime is 31030110121999. The next prime is 31030110122017. The reversal of 31030110122002 is 20022101103013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25787617578801 + 5242492543201 = 5078151^2 + 2289649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7757527530499 + ... + 7757527530502.

Almost surely, 2^{31030110122002} is an apocalyptic number.

31030110122002 is a deficient number, since it is larger than the sum of its proper divisors (15515055061004).

31030110122002 is a wasteful number, since it uses less digits than its factorization.

31030110122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15515055061003.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31030110122002 its reverse (20022101103013), we get a palindrome (51052211225015).

The spelling of 31030110122002 in words is "thirty-one trillion, thirty billion, one hundred ten million, one hundred twenty-two thousand, two".