37131000349 has 2 divisors, whose sum is σ = 37131000350. Its totient is φ = 37131000348.

The previous prime is 37131000341. The next prime is 37131000371. The reversal of 37131000349 is 94300013173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905099449 + 225900900 = 192107^2 + 15030^2 .

It is a cyclic number.

It is not a de Polignac number, because 37131000349 - 2³ = 37131000341 is a prime.

It is a super-2 number, since 2×37131000349² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 37131000349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37131000341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18565500174 + 18565500175.

It is an arithmetic number, because the mean of its divisors is an integer number (18565500175).

Almost surely, 2^37131000349 is an apocalyptic number.

It is an amenable number.

37131000349 is a deficient number, since it is larger than the sum of its proper divisors (1).

37131000349 is an equidigital number, since it uses as much as digits as its factorization.

37131000349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 37131000349 in words is "thirty-seven billion, one hundred thirty-one million, three hundred forty-nine", and thus it is an aban number.