340020040311203 has 12 divisors (see below), whose sum is σ = 395700337805832. Its totient is φ = 291322827714240.

The previous prime is 340020040311199. The next prime is 340020040311209. The reversal of 340020040311203 is 302113040020043.

It is not a de Polignac number, because 340020040311203 - 2² = 340020040311199 is a prime.

It is a super-2 number, since 2×340020040311203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340020040311209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463229350 + ... + 1463461707.

It is an arithmetic number, because the mean of its divisors is an integer number (32975028150486).

Almost surely, 2^{340020040311203} is an apocalyptic number.

340020040311203 is a deficient number, since it is larger than the sum of its proper divisors (55680297494629).

340020040311203 is a wasteful number, since it uses less digits than its factorization.

340020040311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926693442 (or 2926693435 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 340020040311203 its reverse (302113040020043), we get a palindrome (642133080331246).

The spelling of 340020040311203 in words is "three hundred forty trillion, twenty billion, forty million, three hundred eleven thousand, two hundred three".