31202312102030 has 32 divisors (see below), whose sum is σ = 56271220754400. Its totient is φ = 12457140475392.

The previous prime is 31202312101993. The next prime is 31202312102057. The reversal of 31202312102030 is 3020121320213.

It is a junction number, because it is equal to n+sod(n) for n = 31202312101993 and 31202312102011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38248541 + ... + 39055799.

It is an arithmetic number, because the mean of its divisors is an integer number (1758475648575).

Almost surely, 2^{31202312102030} is an apocalyptic number.

31202312102030 is a deficient number, since it is larger than the sum of its proper divisors (25068908652370).

31202312102030 is a wasteful number, since it uses less digits than its factorization.

31202312102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814628.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31202312102030 its reverse (3020121320213), we get a palindrome (34222433422243).

The spelling of 31202312102030 in words is "thirty-one trillion, two hundred two billion, three hundred twelve million, one hundred two thousand, thirty".