31020010321130 has 64 divisors (see below), whose sum is σ = 58450429771776. Its totient is φ = 11838908424000.

The previous prime is 31020010321129. The next prime is 31020010321133. The reversal of 31020010321130 is 3112301002013.

It is a junction number, because it is equal to n+sod(n) for n = 31020010321099 and 31020010321108.

It is not an unprimeable number, because it can be changed into a prime (31020010321133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11405735 + ... + 13861125.

It is an arithmetic number, because the mean of its divisors is an integer number (913287965184).

Almost surely, 2^{31020010321130} is an apocalyptic number.

31020010321130 is a deficient number, since it is larger than the sum of its proper divisors (27430419450646).

31020010321130 is a wasteful number, since it uses less digits than its factorization.

31020010321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456003.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31020010321130 its reverse (3112301002013), we get a palindrome (34132311323143).

The spelling of 31020010321130 in words is "thirty-one trillion, twenty billion, ten million, three hundred twenty-one thousand, one hundred thirty".