31300103202132 has 24 divisors (see below), whose sum is σ = 73038273986272. Its totient is φ = 10432696327200.

The previous prime is 31300103202127. The next prime is 31300103202139. The reversal of 31300103202132 is 23120230100313.

It is a super-2 number, since 2×31300103202132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31300103202099 and 31300103202108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300103202139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83731594 + ... + 84104577.

Almost surely, 2^{31300103202132} is an apocalyptic number.

It is an amenable number.

31300103202132 is an abundant number, since it is smaller than the sum of its proper divisors (41738170784140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31300103202132 is a wasteful number, since it uses less digits than its factorization.

31300103202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167851719 (or 167851717 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31300103202132 its reverse (23120230100313), we get a palindrome (54420333302445).

The spelling of 31300103202132 in words is "thirty-one trillion, three hundred billion, one hundred three million, two hundred two thousand, one hundred thirty-two".