210313131332 has 6 divisors (see below), whose sum is σ = 368047979838. Its totient is φ = 105156565664.

The previous prime is 210313131313. The next prime is 210313131337. The reversal of 210313131332 is 233131313012.

It can be written as a sum of positive squares in only one way, i.e., 166256800516 + 44056330816 = 407746^2 + 209896^2 .

It is a super-2 number, since 2×210313131332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210313131298 and 210313131307.

It is not an unprimeable number, because it can be changed into a prime (210313131337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26289141413 + ... + 26289141420.

It is an arithmetic number, because the mean of its divisors is an integer number (61341329973).

Almost surely, 2^210313131332 is an apocalyptic number.

It is an amenable number.

210313131332 is a deficient number, since it is larger than the sum of its proper divisors (157734848506).

210313131332 is a wasteful number, since it uses less digits than its factorization.

210313131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52578282837 (or 52578282835 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 210313131332 its reverse (233131313012), we get a palindrome (443444444344).

The spelling of 210313131332 in words is "two hundred ten billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred thirty-two".