31414198831 has 4 divisors (see below), whose sum is σ = 31702402600. Its totient is φ = 31125995064.

The previous prime is 31414198787. The next prime is 31414198889. The reversal of 31414198831 is 13889141413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31414198831 - 2¹¹ = 31414196783 is a prime.

It is a super-2 number, since 2×31414198831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414193831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144101721 + ... + 144101938.

It is an arithmetic number, because the mean of its divisors is an integer number (7925600650).

Almost surely, 2^31414198831 is an apocalyptic number.

31414198831 is a deficient number, since it is larger than the sum of its proper divisors (288203769).

31414198831 is a wasteful number, since it uses less digits than its factorization.

31414198831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288203768.

The product of its digits is 82944, while the sum is 43.

The spelling of 31414198831 in words is "thirty-one billion, four hundred fourteen million, one hundred ninety-eight thousand, eight hundred thirty-one".