31001030222132 has 24 divisors (see below), whose sum is σ = 56283277478400. Its totient is φ = 14925119093280.

The previous prime is 31001030222111. The next prime is 31001030222137. The reversal of 31001030222132 is 23122203010013.

It is a super-2 number, since 2×31001030222132² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001030222137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628136903 + ... + 628186254.

It is an arithmetic number, because the mean of its divisors is an integer number (2345136561600).

Almost surely, 2^{31001030222132} is an apocalyptic number.

It is an amenable number.

31001030222132 is a deficient number, since it is larger than the sum of its proper divisors (25282247256268).

31001030222132 is a wasteful number, since it uses less digits than its factorization.

31001030222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256323391 (or 1256323389 counting only the distinct ones).

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

Adding to 31001030222132 its reverse (23122203010013), we get a palindrome (54123233232145).

The spelling of 31001030222132 in words is "thirty-one trillion, one billion, thirty million, two hundred twenty-two thousand, one hundred thirty-two".