31033300120130 has 128 divisors (see below), whose sum is σ = 73454773432320. Its totient is φ = 9145406442240.

The previous prime is 31033300120079. The next prime is 31033300120133. The reversal of 31033300120130 is 3102100333013.

It is not an unprimeable number, because it can be changed into a prime (31033300120133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5250332 + ... + 9467448.

It is an arithmetic number, because the mean of its divisors is an integer number (573865417440).

Almost surely, 2^{31033300120130} is an apocalyptic number.

31033300120130 is an abundant number, since it is smaller than the sum of its proper divisors (42421473312190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31033300120130 is a wasteful number, since it uses less digits than its factorization.

31033300120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217664.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31033300120130 its reverse (3102100333013), we get a palindrome (34135400453143).

The spelling of 31033300120130 in words is "thirty-one trillion, thirty-three billion, three hundred million, one hundred twenty thousand, one hundred thirty".