31434441421234 has 4 divisors (see below), whose sum is σ = 47151662131854. Its totient is φ = 15717220710616.

The previous prime is 31434441421219. The next prime is 31434441421249. The reversal of 31434441421234 is 43212414443413.

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

It is an interprime number because it is at equal distance from previous prime (31434441421219) and next prime (31434441421249).

It can be written as a sum of positive squares in only one way, i.e., 31363976126025 + 70465295209 = 5600355^2 + 265453^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7858610355307 + ... + 7858610355310.

Almost surely, 2^{31434441421234} is an apocalyptic number.

31434441421234 is a deficient number, since it is larger than the sum of its proper divisors (15717220710620).

31434441421234 is a wasteful number, since it uses less digits than its factorization.

31434441421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717220710619.

The product of its digits is 442368, while the sum is 40.

Adding to 31434441421234 its reverse (43212414443413), we get a palindrome (74646855864647).

The spelling of 31434441421234 in words is "thirty-one trillion, four hundred thirty-four billion, four hundred forty-one million, four hundred twenty-one thousand, two hundred thirty-four".