340032514021 has 4 divisors (see below), whose sum is σ = 340228726092. Its totient is φ = 339836301952.

The previous prime is 340032513967. The next prime is 340032514037. The reversal of 340032514021 is 120415230043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120415230043 = 13901 ⋅8662343.

It can be written as a sum of positive squares in 2 ways, for example, as 147233364100 + 192799149921 = 383710^2 + 439089^2 .

It is a cyclic number.

It is not a de Polignac number, because 340032514021 - 2¹³ = 340032505829 is a prime.

It is a super-2 number, since 2×340032514021² (a number of 24 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 (340032514051) 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, 98103436 + ... + 98106901.

It is an arithmetic number, because the mean of its divisors is an integer number (85057181523).

Almost surely, 2^340032514021 is an apocalyptic number.

It is an amenable number.

340032514021 is a deficient number, since it is larger than the sum of its proper divisors (196212071).

340032514021 is a wasteful number, since it uses less digits than its factorization.

340032514021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196212070.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 340032514021 its reverse (120415230043), we get a palindrome (460447744064).

The spelling of 340032514021 in words is "three hundred forty billion, thirty-two million, five hundred fourteen thousand, twenty-one".