31433214011 has 8 divisors (see below), whose sum is σ = 32167915824. Its totient is φ = 30698680320.

The previous prime is 31433213953. The next prime is 31433214019. The reversal of 31433214011 is 11041233413.

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 31433214011 - 2²² = 31429019707 is a prime.

It is a super-2 number, since 2×31433214011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31433214019) 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, 386771 + ... + 460931.

It is an arithmetic number, because the mean of its divisors is an integer number (4020989478).

Almost surely, 2^31433214011 is an apocalyptic number.

31433214011 is a deficient number, since it is larger than the sum of its proper divisors (734701813).

31433214011 is an equidigital number, since it uses as much as digits as its factorization.

31433214011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84061.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31433214011 its reverse (11041233413), we get a palindrome (42474447424).

The spelling of 31433214011 in words is "thirty-one billion, four hundred thirty-three million, two hundred fourteen thousand, eleven".