40303397903231 has 2 divisors, whose sum is σ = 40303397903232. Its totient is φ = 40303397903230.

The previous prime is 40303397903159. The next prime is 40303397903291. The reversal of 40303397903231 is 13230979330304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40303397903231 - 2³⁴ = 40286218034047 is a prime.

It is a super-3 number, since 3×40303397903231³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40303397903291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151698951615 + 20151698951616.

It is an arithmetic number, because the mean of its divisors is an integer number (20151698951616).

Almost surely, 2^{40303397903231} is an apocalyptic number.

40303397903231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40303397903231 is an equidigital number, since it uses as much as digits as its factorization.

40303397903231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 47.

The spelling of 40303397903231 in words is "forty trillion, three hundred three billion, three hundred ninety-seven million, nine hundred three thousand, two hundred thirty-one".