31421022011103 has 8 divisors (see below), whose sum is σ = 41895688455216. Its totient is φ = 20946851787200.

The previous prime is 31421022011053. The next prime is 31421022011111. The reversal of 31421022011103 is 30111022012413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31421022011103 - 2¹⁶ = 31421021945567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31421022011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31421022011003) 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, 123907278 + ... + 124160603.

It is an arithmetic number, because the mean of its divisors is an integer number (5236961056902).

Almost surely, 2^{31421022011103} is an apocalyptic number.

31421022011103 is a deficient number, since it is larger than the sum of its proper divisors (10474666444113).

31421022011103 is a wasteful number, since it uses less digits than its factorization.

31421022011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248110105.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31421022011103 its reverse (30111022012413), we get a palindrome (61532044023516).

The spelling of 31421022011103 in words is "thirty-one trillion, four hundred twenty-one billion, twenty-two million, eleven thousand, one hundred three".