212331031310 has 32 divisors (see below), whose sum is σ = 399278797632. Its totient is φ = 81144828160.

The previous prime is 212331031273. The next prime is 212331031313. The reversal of 212331031310 is 13130133212.

It is a super-2 number, since 2×212331031310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212331031313) 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, 341501 + ... + 735720.

It is an arithmetic number, because the mean of its divisors is an integer number (12477462426).

Almost surely, 2^212331031310 is an apocalyptic number.

212331031310 is a deficient number, since it is larger than the sum of its proper divisors (186947766322).

212331031310 is a wasteful number, since it uses less digits than its factorization.

212331031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078108.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212331031310 its reverse (13130133212), we get a palindrome (225461164522).

The spelling of 212331031310 in words is "two hundred twelve billion, three hundred thirty-one million, thirty-one thousand, three hundred ten".