31032130351 has 2 divisors, whose sum is σ = 31032130352. Its totient is φ = 31032130350.

The previous prime is 31032130313. The next prime is 31032130391. The reversal of 31032130351 is 15303123013.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31032130351 - 2¹⁵ = 31032097583 is a prime.

It is a super-2 number, since 2×31032130351² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31032130391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516065175 + 15516065176.

It is an arithmetic number, because the mean of its divisors is an integer number (15516065176).

Almost surely, 2^31032130351 is an apocalyptic number.

31032130351 is a deficient number, since it is larger than the sum of its proper divisors (1).

31032130351 is an equidigital number, since it uses as much as digits as its factorization.

31032130351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 31032130351 its reverse (15303123013), we get a palindrome (46335253364).

The spelling of 31032130351 in words is "thirty-one billion, thirty-two million, one hundred thirty thousand, three hundred fifty-one".