1523131034 has 4 divisors (see below), whose sum is σ = 2284696554. Its totient is φ = 761565516.

The previous prime is 1523131009. The next prime is 1523131061. The reversal of 1523131034 is 4301313251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4301313251 = 10939 ⋅393209.

It can be written as a sum of positive squares in only one way, i.e., 870073009 + 653058025 = 29497^2 + 25555^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380782757 + ... + 380782760.

Almost surely, 2^1523131034 is an apocalyptic number.

1523131034 is a deficient number, since it is larger than the sum of its proper divisors (761565520).

1523131034 is an equidigital number, since it uses as much as digits as its factorization.

1523131034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761565519.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1523131034 is about 39027.3113857463. The cubic root of 1523131034 is about 1150.5683476750.

Adding to 1523131034 its reverse (4301313251), we get a palindrome (5824444285).

The spelling of 1523131034 in words is "one billion, five hundred twenty-three million, one hundred thirty-one thousand, thirty-four".