31430234017 has 32 divisors (see below), whose sum is σ = 42123513600. Its totient is φ = 22746624768.

The previous prime is 31430233997. The next prime is 31430234021. The reversal of 31430234017 is 71043203413.

It is not a de Polignac number, because 31430234017 - 2¹¹ = 31430231969 is a prime.

It is a super-2 number, since 2×31430234017² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31430234917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263278 + ... + 363559.

It is an arithmetic number, because the mean of its divisors is an integer number (1316359800).

Almost surely, 2^31430234017 is an apocalyptic number.

It is an amenable number.

31430234017 is a deficient number, since it is larger than the sum of its proper divisors (10693279583).

31430234017 is a wasteful number, since it uses less digits than its factorization.

31430234017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626905.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 31430234017 in words is "thirty-one billion, four hundred thirty million, two hundred thirty-four thousand, seventeen".