31030103322130 has 32 divisors (see below), whose sum is σ = 60932097072000. Its totient is φ = 11283626190720.

The previous prime is 31030103322103. The next prime is 31030103322137. The reversal of 31030103322130 is 3122330103013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (31030103322137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35273371 + ... + 36142369.

It is an arithmetic number, because the mean of its divisors is an integer number (1904128033500).

Almost surely, 2^{31030103322130} is an apocalyptic number.

31030103322130 is a deficient number, since it is larger than the sum of its proper divisors (29901993749870).

31030103322130 is a wasteful number, since it uses less digits than its factorization.

31030103322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193634.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31030103322130 its reverse (3122330103013), we get a palindrome (34152433425143).

The spelling of 31030103322130 in words is "thirty-one trillion, thirty billion, one hundred three million, three hundred twenty-two thousand, one hundred thirty".