747507357131 has 4 divisors (see below), whose sum is σ = 747510996264. Its totient is φ = 747503718000.

The previous prime is 747507357083. The next prime is 747507357173. The reversal of 747507357131 is 131753705747.

747507357131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131753705747 = 23 ⋅5728421989.

It is a cyclic number.

It is not a de Polignac number, because 747507357131 - 2¹⁴ = 747507340747 is a prime.

It is a super-2 number, since 2×747507357131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 747507357131.

It is not an unprimeable number, because it can be changed into a prime (747507357031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491770 + ... + 1928831.

It is an arithmetic number, because the mean of its divisors is an integer number (186877749066).

Almost surely, 2^747507357131 is an apocalyptic number.

747507357131 is a deficient number, since it is larger than the sum of its proper divisors (3639133).

747507357131 is a wasteful number, since it uses less digits than its factorization.

747507357131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639132.

The product of its (nonzero) digits is 2160900, while the sum is 50.

The spelling of 747507357131 in words is "seven hundred forty-seven billion, five hundred seven million, three hundred fifty-seven thousand, one hundred thirty-one".