31421022001100 has 36 divisors (see below), whose sum is σ = 68185968985344. Its totient is φ = 12567975391680.

The previous prime is 31421022001051. The next prime is 31421022001133. The reversal of 31421022001100 is 110022012413.

It is a super-2 number, since 2×31421022001100² (a number of 28 digits) contains 22 as substring.

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, 2495372 + ... + 8310771.

Almost surely, 2^{31421022001100} is an apocalyptic number.

It is an amenable number.

31421022001100 is an abundant number, since it is smaller than the sum of its proper divisors (36764946984244).

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

31421022001100 is a wasteful number, since it uses less digits than its factorization.

31421022001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835234 (or 10835227 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31421022001100 its reverse (110022012413), we get a palindrome (31531044013513).

The spelling of 31421022001100 in words is "thirty-one trillion, four hundred twenty-one billion, twenty-two million, one thousand, one hundred".