31042054011 has 8 divisors (see below), whose sum is σ = 42724547584. Its totient is φ = 20027131560.

The previous prime is 31042054007. The next prime is 31042054027. The reversal of 31042054011 is 11045024013.

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

It is not a de Polignac number, because 31042054011 - 2² = 31042054007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31042054051) 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, 166892671 + ... + 166892856.

It is an arithmetic number, because the mean of its divisors is an integer number (5340568448).

Almost surely, 2^31042054011 is an apocalyptic number.

31042054011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31042054011 is a deficient number, since it is larger than the sum of its proper divisors (11682493573).

31042054011 is a wasteful number, since it uses less digits than its factorization.

31042054011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333785561.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 31042054011 its reverse (11045024013), we get a palindrome (42087078024).

The spelling of 31042054011 in words is "thirty-one billion, forty-two million, fifty-four thousand, eleven".