31434412819 has 8 divisors (see below), whose sum is σ = 33426347760. Its totient is φ = 29458350336.

The previous prime is 31434412811. The next prime is 31434412861. The reversal of 31434412819 is 91821443413.

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 31434412819 - 2³ = 31434412811 is a prime.

It is a super-2 number, since 2×31434412819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31434412811) 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, 3964029 + ... + 3971950.

It is an arithmetic number, because the mean of its divisors is an integer number (4178293470).

Almost surely, 2^31434412819 is an apocalyptic number.

31434412819 is a deficient number, since it is larger than the sum of its proper divisors (1991934941).

31434412819 is a wasteful number, since it uses less digits than its factorization.

31434412819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936229.

The product of its digits is 82944, while the sum is 40.

The spelling of 31434412819 in words is "thirty-one billion, four hundred thirty-four million, four hundred twelve thousand, eight hundred nineteen".