31423121201210 has 64 divisors (see below), whose sum is σ = 59048875601280. Its totient is φ = 12024928016640.

The previous prime is 31423121201203. The next prime is 31423121201233. The reversal of 31423121201210 is 1210212132413.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14642204 + ... + 16650536.

It is an arithmetic number, because the mean of its divisors is an integer number (922638681270).

Almost surely, 2^{31423121201210} is an apocalyptic number.

31423121201210 is a deficient number, since it is larger than the sum of its proper divisors (27625754400070).

31423121201210 is a wasteful number, since it uses less digits than its factorization.

31423121201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008863.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31423121201210 its reverse (1210212132413), we get a palindrome (32633333333623).

The spelling of 31423121201210 in words is "thirty-one trillion, four hundred twenty-three billion, one hundred twenty-one million, two hundred one thousand, two hundred ten".