1351042431 has 16 divisors (see below), whose sum is σ = 1817164800. Its totient is φ = 892823360.

The previous prime is 1351042423. The next prime is 1351042439. The reversal of 1351042431 is 1342401531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1351042423) and next prime (1351042439).

It is a cyclic number.

It is not a de Polignac number, because 1351042431 - 2³ = 1351042423 is a prime.

It is a super-2 number, since 2×1351042431² = 3650631300724779522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351042439) 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, 561970 + ... + 564368.

It is an arithmetic number, because the mean of its divisors is an integer number (113572800).

Almost surely, 2^1351042431 is an apocalyptic number.

1351042431 is a deficient number, since it is larger than the sum of its proper divisors (466122369).

1351042431 is a wasteful number, since it uses less digits than its factorization.

1351042431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1351042431 is about 36756.5290934822. The cubic root of 1351042431 is about 1105.4938466732.

Adding to 1351042431 its reverse (1342401531), we get a palindrome (2693443962).

The spelling of 1351042431 in words is "one billion, three hundred fifty-one million, forty-two thousand, four hundred thirty-one".