31022002102020 has 192 divisors, whose sum is σ = 93091183186176. Its totient is φ = 7691390484480.

The previous prime is 31022002102009. The next prime is 31022002102073. The reversal of 31022002102020 is 2020120022013.

It is a happy number.

It is a super-2 number, since 2×31022002102020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53236759 + ... + 53816321.

It is an arithmetic number, because the mean of its divisors is an integer number (484849912428).

Almost surely, 2^{31022002102020} is an apocalyptic number.

31022002102020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31022002102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46545591593088).

31022002102020 is an abundant number, since it is smaller than the sum of its proper divisors (62069181084156).

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

31022002102020 is a wasteful number, since it uses less digits than its factorization.

31022002102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580230 (or 580228 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 31022002102020 its reverse (2020120022013), we get a palindrome (33042122124033).

The spelling of 31022002102020 in words is "thirty-one trillion, twenty-two billion, two million, one hundred two thousand, twenty".