31020023022011 has 8 divisors (see below), whose sum is σ = 31138217510400. Its totient is φ = 30901830410152.

The previous prime is 31020023022007. The next prime is 31020023022049. The reversal of 31020023022011 is 11022032002013.

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 31020023022011 - 2² = 31020023022007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020023022811) 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, 38951390 + ... + 39739788.

It is an arithmetic number, because the mean of its divisors is an integer number (3892277188800).

Almost surely, 2^{31020023022011} is an apocalyptic number.

31020023022011 is a deficient number, since it is larger than the sum of its proper divisors (118194488389).

31020023022011 is a wasteful number, since it uses less digits than its factorization.

31020023022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938265.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31020023022011 its reverse (11022032002013), we get a palindrome (42042055024024).

The spelling of 31020023022011 in words is "thirty-one trillion, twenty billion, twenty-three million, twenty-two thousand, eleven".