1351200031 has 2 divisors, whose sum is σ = 1351200032. Its totient is φ = 1351200030.

The previous prime is 1351200023. The next prime is 1351200107. The reversal of 1351200031 is 1300021531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351200031 - 2³ = 1351200023 is a prime.

It is a super-2 number, since 2×1351200031² = 3651483047548801922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1351199978 and 1351200014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351204031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675600015 + 675600016.

It is an arithmetic number, because the mean of its divisors is an integer number (675600016).

Almost surely, 2^1351200031 is an apocalyptic number.

1351200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351200031 is an equidigital number, since it uses as much as digits as its factorization.

1351200031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1351200031 is about 36758.6728677737. The cubic root of 1351200031 is about 1105.5368305332.

Adding to 1351200031 its reverse (1300021531), we get a palindrome (2651221562).

The spelling of 1351200031 in words is "one billion, three hundred fifty-one million, two hundred thousand, thirty-one".