202140244413431 has 2 divisors, whose sum is σ = 202140244413432. Its totient is φ = 202140244413430.

The previous prime is 202140244413361. The next prime is 202140244413461. The reversal of 202140244413431 is 134314442041202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202140244413431 - 2²⁶ = 202140177304567 is a prime.

It is a super-2 number, since 2×202140244413431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202140244413391 and 202140244413400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202140244413461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101070122206715 + 101070122206716.

It is an arithmetic number, because the mean of its divisors is an integer number (101070122206716).

Almost surely, 2^{202140244413431} is an apocalyptic number.

202140244413431 is a deficient number, since it is larger than the sum of its proper divisors (1).

202140244413431 is an equidigital number, since it uses as much as digits as its factorization.

202140244413431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 202140244413431 its reverse (134314442041202), we get a palindrome (336454686454633).

The spelling of 202140244413431 in words is "two hundred two trillion, one hundred forty billion, two hundred forty-four million, four hundred thirteen thousand, four hundred thirty-one".