1303140431 has 8 divisors (see below), whose sum is σ = 1310732400. Its totient is φ = 1295562240.

The previous prime is 1303140427. The next prime is 1303140437. The reversal of 1303140431 is 1340413031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303140431 - 2² = 1303140427 is a prime.

It is a super-2 number, since 2×1303140431² = 3396349965813731522, which 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 (1303140437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231215 + ... + 236783.

It is an arithmetic number, because the mean of its divisors is an integer number (163841550).

Almost surely, 2^1303140431 is an apocalyptic number.

1303140431 is a deficient number, since it is larger than the sum of its proper divisors (7591969).

1303140431 is a wasteful number, since it uses less digits than its factorization.

1303140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1303140431 is about 36099.0364275835. The cubic root of 1303140431 is about 1092.2710081459.

Adding to 1303140431 its reverse (1340413031), we get a palindrome (2643553462).

The spelling of 1303140431 in words is "one billion, three hundred three million, one hundred forty thousand, four hundred thirty-one".