35140431 has 16 divisors (see below), whose sum is σ = 49390560. Its totient is φ = 22189440.

The previous prime is 35140423. The next prime is 35140433. The reversal of 35140431 is 13404153.

It is not a de Polignac number, because 35140431 - 2³ = 35140423 is a prime.

It is a super-2 number, since 2×35140431² = 2469699781731522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 35140398 and 35140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35140433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801 + ... + 8421.

It is an arithmetic number, because the mean of its divisors is an integer number (3086910).

Almost surely, 2^35140431 is an apocalyptic number.

35140431 is a deficient number, since it is larger than the sum of its proper divisors (14250129).

35140431 is a wasteful number, since it uses less digits than its factorization.

35140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 35140431 is about 5927.9364875140. The cubic root of 35140431 is about 327.5435320802.

Adding to 35140431 its reverse (13404153), we get a palindrome (48544584).

The spelling of 35140431 in words is "thirty-five million, one hundred forty thousand, four hundred thirty-one".