31322003101020 has 36 divisors (see below), whose sum is σ = 95010076073640. Its totient is φ = 8352534160224.

The previous prime is 31322003100991. The next prime is 31322003101043. The reversal of 31322003101020 is 2010130022313.

31322003101020 is a `hidden beast` number, since 3 + 1 + 322 + 0 + 0 + 310 + 10 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×31322003101020³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31322003100984 and 31322003101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87005563990 + ... + 87005564349.

Almost surely, 2^{31322003101020} is an apocalyptic number.

31322003101020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31322003101020 is an abundant number, since it is smaller than the sum of its proper divisors (63688072972620).

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

31322003101020 is a wasteful number, since it uses less digits than its factorization.

31322003101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174011128354 (or 174011128349 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31322003101020 its reverse (2010130022313), we get a palindrome (33332133123333).

The spelling of 31322003101020 in words is "thirty-one trillion, three hundred twenty-two billion, three million, one hundred one thousand, twenty".