31321102010132 has 24 divisors (see below), whose sum is σ = 59819860541280. Its totient is φ = 14230905161760.

The previous prime is 31321102010119. The next prime is 31321102010197. The reversal of 31321102010132 is 23101020112313.

It is a happy number.

It is a super-2 number, since 2×31321102010132² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148878398 + ... + 149088629.

It is an arithmetic number, because the mean of its divisors is an integer number (2492494189220).

Almost surely, 2^{31321102010132} is an apocalyptic number.

It is an amenable number.

31321102010132 is a deficient number, since it is larger than the sum of its proper divisors (28498758531148).

31321102010132 is a wasteful number, since it uses less digits than its factorization.

31321102010132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297969431 (or 297969429 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31321102010132 its reverse (23101020112313), we get a palindrome (54422122122445).

The spelling of 31321102010132 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred two million, ten thousand, one hundred thirty-two".